Fix an Unresponsive Touch Screen (last Resort Method)

Is your touchscreen afraid to feel? Let's teach that Screen it to love again with FIRE and pure insanity!Please dear reader, I beg your forgiveness on my awful spelling and grammar, I'm writing this "guide" on a tablet ; also my writing skills leave a lot to be desired. (I never passed 2nd grade)just kidding...Or am i?This is dangerous to your equipment, and possibly dangerous to yourself. This WILL void your warranty, and isn't the smartest idea. I suggest you buy a new screen, and only follow this guide in an extremely drunken/desperate state; and only if this device means nothing to you, continue at your own RISKWelcome to my very first Instructable!!So, I randomly wanted to buy a digital camcorder, and decided to take the risk of buying it used off Craigslist. In addition, I stupidly neglected to research the camera beyond the basic features list on Amazon. I met up with a middle-aged woman who sold me her Sony DCR-hc32, she explained that she had no idea how to use the camcorder and decided to sell it off. It powered on, and somehow I decided that was enough. Three days later I finally located and bought a mini-DV tape, I was all set to film! I was pretty excited/relieved to see it was able to record, but I couldn't find the rewind button... In fact any playback was seemingly missing, I panicked thinking perhaps I was losing my mind. Then, after several minutes of looking I consulted the internet only to find dreadful news. 90% of these options were only available via the touchscreen, which I found wasn't responding AT ALL to touch. So here I was with a cool night vision device, and the words "SUCKER" etched across my forehead. I spent days looking for a fix that wouldn't require me ordering anything online (my credit card was stolen, and perhaps a tad bit paranoid). Touch screen hardware:This method to my knowledge can only be used on RESISTIVE TOUCHSCREEN. So if your touch screen requires a desperate repair measure I'd suggest identifying the type of touch screenshots it has. Typically smartphones and tablets utilize CAPACITIVE TOUCHSCREEN , a quick test to determine the hardware is based on how the screen reacts to touch. When the device was new did it respond to any touch(Gloves,finger nail, pencil tip,roofing nail,anything pointy*don't poke your screen with listed items). or did the screen only recognize your fingertip and a special stylus? The former would most likely indicate a resistive touchscreen (respond to pressure). The ladder would be a Capacitive touchscreen(require conductive material). If your not sure Google your deviceTOOLS:-SCREW DRIVER-LIGHTERclearly you need to disassemble the device. So the tools depend on the device. in this case I needed only a Phillips SCREW DRIVER to open my handyman. I consulted a disassembly guide... Then I got annoyed by the narrator's voice and cracked it open like a caveman.(YouTubes how-to content is generally narrated by monotone people, and they tend to sound as if they have several jollyranchers stored their mouth while filming. Causing them to salivate uncontrollably, and causing their childhood speech impediment to reappear. no offense)This is the piece I'm after, yours may look different but it's location is always with the LCD panel. THE LCD PANEL IS VERY DELICATE AND MOST BE SEPARATED BEFORE DR.FRANKENSTEIN (YOU) ATTEMPT ANY GHETTO REPAIRS. in my case, once the LCD assembly was disassembled the digitizer SEPARATED from the LCD panel. *if you can't identify the digitizer I suggest you reconsider repair. *If you are sane I suggest you close my guide and just order a replacement I can't stress that enough! personally I hate buying parts online simply because I'm impatient. I also enjoy repairing electronics using unconventional and idiotic methods(I typically have a 15% chance of success in these endeavors).moving on: once the target has been identified we then start the operation."Nurse pass me the scalpel" Nayhey said to the kitten near his feet."but doctor all I have is a lighter" he said. *in a creepy impersonation of a woman voice."meow" the kitten interrupted in a futile attempt to obtain attention.nayhey continues "perfect let's kill, err fix it with fire!".identify the target side, this side has thin bit plastic glued to the glass and the flat cable (I hate ffc cables). The opposite side should not be introduced to the "tool". This side of the digitizer looked like a really cool reflective window. 1. Starting with the top right corner and moving in a consistent pattern slowly warming the glass *DO NOT BURN THE PLASTIC. THE GOAL IS TO REVIVE THE ADHESIVE BY WARMING IT.2 With your Palms pressed together and the inverter board between them, firmly but gently apply pressure to the heated screen.this is to close any gaps or air pockets. *if your religious I'd suggest praying as it will appear that you are to the untrained eye. Personally I was humming the tune to M.A.S.H (I hate that show).once your satisfied and think you've succeeded reassemble and test. Well it's kinda hard to capture my touchscreen working in pictures, when I initially purchased this camcorder I was unable to use the touchscreen. Now It works flawlessly (except I couldn't remember how to reassemble the hinge, but hey I don't care the touchscreen WORKS). Repeat steps if unsuccessful.Thanks for reading my guide if you liked this guide, I'd love to hear it! I've repaired lots of things in ways that scare engineers and manufacturers alike. This is the first one guide I've published, typically I write one, and get scared of the backlash and delete it.

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Arm7202 Touch Screen Interface Design Scheme
Arm7202 Touch Screen Interface Design Scheme
1 IntroductionThe design methods of touch screen in different application fields are also different, generally there are the following three kinds: â‘´ application touch screen module. The touch screen module provides a standard hardware interface to connect with the application system (generally PC or x86 industrial computer). After installing the driver, it can work without development; (2) expand the touch screen controller. This is a common method for designing touch screen in embedded system. The commonly used touch screen control chips include ADS7843, ADS7846, etc. these chips integrate a / D converter and touch screen drive circuit, and some software should be designed at the same time; (3) similar to the previous method (2), some processors integrate an A / D converter, and the control of the touch screen can also be realized by simulating the driving signal of the touch screen through the IO port.Arm7202 integrates ARM7TDMI CPU core, memory management unit (MMU) and 8KB cache with a main frequency of 70MHz. It is a high-performance embedded processor. In addition to the touch screen controller, its chip also contains other rich resources, such as LCD controller, SDRAM controller, interrupt controller, DMA controller, etc. [1]. The interface between arm7202 and touch screen is different from the previous three aspects in software / hardware design.2 hardware design2.1 principle of resistive touch screenThe resistance touch screen is a multi-layer composite film, which is made of a layer of glass or plexiglass as the base. The surface is coated with a transparent conductive layer, which is covered with a plastic layer. Its inner surface is also coated with a transparent conductive layer. There are many small transparent isolation points between the two conductive layers to separate them for insulation, as shown in Figure 1. When the finger touches the screen, the two normally insulated conductive layers have a contact at the touch point. After the controller detects this contact, one conductive layer connects the 5V uniform voltage field in the y-axis direction, and the other conductive layer leads the voltage of the contact point to the controller for a / D conversion. After obtaining the voltage value, the y-axis coordinates of the touch point can be obtained compared with 5V, as shown in Fig. 2. Similarly, the coordinates of the X axis are obtained. This is the basic principle common to all resistive touch screens.2.2 interface between arm7202 and touch screenThe arm7202 on-chip resource contains a touch screen controller for controlling a 4-wire resistive touch screen. In the 5-channel A / D conversion channel, A0 and A1 are used for touch screen coordinate acquisition. At the same time, the chip provides four scanning lines atsxp, atsxn, atsyp and atsyn to scan the X direction and Y direction respectively. When atsxp and atsxn apply forward voltage in X direction, the corresponding value of X coordinate is detected in Y direction; Similarly, when atsyp and atsyn apply forward voltage in Y direction, the corresponding value of Y coordinate is detected in X direction and collected by A0 and A1 respectively. In order to reduce the system power consumption and CPU resources occupied by the touch screen, the touch screen controller starts scanning only when there is pen dropping, and the corresponding value of coordinates is obtained through a / D conversion. Therefore, the pen dropping detection circuit needs to be designed externally, as shown in Figure 3. In the figure, irlml6302 and IRLML2402 are PMOSFET and nMOSFET respectively, which are used as switch tubes to control the scanning output in X direction and Y direction. Pb7 connects the pull-up resistance to detect the pen dropping interrupt. When there is pen dropping, pb7 detects a low level and triggers the interrupt. Pb6 is the enable signal of the interrupt detection circuit. When pb6 is at high level, the interrupt is valid and the touch screen scanning is invalid; Otherwise, the interrupt is invalid, and the touch screen scanning is valid.3 touch screen control program mechanismDifferent operating systems have different applications for touch screen, but they all include basic modules such as device initialization, device read-write and interrupt response. The touch screen driver involves two interrupts: pen dropping interrupt and touch screen a / D conversion interrupt. The program modules include: touch screen initialization, pen drop interrupt service program, a / D interrupt service program, filter program and coordinate conversion program. Two interrupts of the touch screen are highlighted here.The touch screen initialization program completes the interrupt setting of the external circuit and the setting of the sampling rate, and turns off the A / D interrupt of the touch screen and the power supply of the A / D converter to make the external circuit interrupt effective.When there is pen dropping, the external interrupt is triggered and enters the pen dropping interrupt service program. In the writing interrupt service program, clear the interrupt source, turn off the external interrupt, invalidate the external interrupt circuit, and turn on the touch screen interrupt and AD converter power supply. At this time, the touch screen circuit starts scanning the touch screen. After the touch screen a / D conversion is completed, an A / D interrupt is generated and the A / D interrupt service program is entered. In the touch screen a / D interrupt service program, clear the A / D interrupt, turn off the touch screen a / D interrupt, and read the A / D conversion value. At this time, it is also necessary to judge whether the writing continues. If there is no writing, turn on the external circuit interrupt to make the external interrupt circuit effective, turn off the A / D interrupt and a / D converter power supply, and enter the energy-saving mode, as shown in Fig. 4 (a); If you still write, continue to turn on the touch screen a / D interrupt to invalidate the external interrupt circuit, and the A / D conversion of the touch screen continues, as shown in Figure 4 (b).Figure 4 program flow diagram of touch screenThe value obtained from a / D conversion is the X coordinate and Y coordinate of the touch point on the touch screen, which shall be converted into the coordinates on the display screen through certain methods. Due to space limitation, it is omitted here. See reference [2] for its principle and implementation method. During a / D conversion, four sets of conversion values are obtained from the A / D conversion register each time. A filter program can be designed to improve the detection accuracy.
Does Anything Happen to Your Finger Tips If U Use Touch Screen for a Long Time?
Does Anything Happen to Your Finger Tips If U Use Touch Screen for a Long Time?
No nothing happens1. URG....HELP I cant decide!! =)?go with the Magellan Maestro 5310 its got 6 MILLION! point of interest if you've ever used the maps app on the iphone it is comparable to that if it doesnt beat it. umm 5 inches of touch screen! going to need to buy a car adapter charger. but if you dont it will still last 3 hours. . umm the re routing system re routes you in 3 seconds tops. my Magellan Maestro 5310 was the coolest gps and best investment i could have made2. What are the top 10 touch screen mp3/video players?1. Apple iPod Touch 32GB 2. Creative Zen X-Fi 3. Creative Zen 4. Apple iPod Nano 5th Generation 8GB MP3 Player - Black 5. Sony NWZ-S738F Walkman 6. Apple iPod nano 4th Generation 16GB 7. Sony Walkman X-Series 8. Microsoft Zune HD 9. Cowon O2 10. Samsung Samsung S3 About no ipods, ipods are on the list so you can not just leave them out, because that would be a lie to say that Zunes in first when its actually and ipod touch. Plus, look online for the cheapest ipod touch 8gb, on best buys website, go to your nearest best buy, and tell them the internet price, its only $205.3. is windows 8 good for a non touch screen?Just save your self some money or bandwidth ( if you know what I mean ) and stick with Windows 7 or if you have XP or Vista upgrade to Windows 7, I tried the dev build and I really hated it4. A touch screen, Music playing mobile phone for under $300?Blackberry Storm is a good phone like the iPhone5. how can I protect my iPod touch screen?Get the iPod Touch naked case from Case Mate. It covers the complete ipod, while not inhibiting in any way the use of the touch screen6. how much do pokemon heart gold and soul silver use the touch screen?Actually, I do not think I used my touch screen at all during the normal playthrough of the game. BUT if you want to do the Pokeathlon, you need a good touch screen for that. Just a note, you do not have to do the Pokeathlon.7. Touch screen gloves facilitate data inputSmart phones, tablets and touch screens have not just become an integral part of the way we live - they've also become an important part of our work. The use of touch screen technology is taking off in the industrial workplace. According to a recent survey conducted by Ansell, 65 percent of companies across the U.S. have started to use touch screens within the past three years. Another 90 percent of decision-makers indicated they expect more of their employees to work with touch screens during the next five years. Touch screens such as smart phones and tablets are employed in a variety of industries - from industrial and consumer goods manufacturing to construction and transportation. A worker on an assembly line in an automotive manufacturing plant, for example, may use a touch screen to mark off when specific tasks are completed. A flow manager on a construction project may employ a touch screen to record the processes that have been completed during an inspection. Most smart phones, touch screens and tablets used in industrial and construction environments include capacitive touch screens. The challenge is that most hand protection products on the market to date do not work with capacitive touch screens unless they have a conductive yarn that allows an electric charge. In the absence of work gloves that promote the efficient use of touch screens, workers often remove the fingertips from their gloves or doff the product entirely. Working barehanded or with an altered glove product exposes workers to the risk of job-related injuries and results in non-compliance. The time required to constantly don and remove gloves can also negatively impact productivity. Most smart phones, touch screens and tablets used in industrial and construction environments include capacitive touch screens composed of an indium oxide sheet that retains an electric charge. These devices are growing in popularity because they offer easy, finger-driven navigation and multi-touch capability. Capacitive touch screens interpret touch by detecting a change in the electrical signal or impulse that is naturally generated by a worker's body (bioelectricity) and transmitted to the fingertips. Tiny amounts of moisture, salts and oil allow electrons to flow between the worker's hand and the device, conducting the energy necessary to operate a touch screen. Ordinary materials used to manufacture work gloves and jackets are made with non-conductive materials, which are unable to activate touch screens. While work gloves are available that are intended for use with touch screens, most lack the consistency required to ensure proper touch screen interaction. Most of these products are cut and sewn and include a chip in the fingertips that allows workers to use a touch screen. The chip, however, sometimes works loose and moves away from the fingertips, rendering the gloves useless as far as touch screen interaction is concerned. When this occurs, workers often have little choice but to remove the gloves and use their bare fingers to work with the touch screen - or remove the fingertips from their gloves altogether. New technology was recently introduced to ensure workers can efficiently and effectively use a touch screen without removing their gloves. A new yarn covered with a layer of metal provides the conductivity needed between the fingertips and the gloves' polyurethane coating. The coating enhances the sliding and finger movements on the screen, while providing the precision and sensitivity necessary to input data. The gloves also provide protection, as research has confirmed that many applications in which workers use touch screen devices also include abrasion risks. Workers in the package, delivery and handling industry or shipping and receiving, for example, often work with potentially hazardous items such as corrugated boxes and metal hand trucks that can cause injury. A palm coated glove provides better mechanical protection to prevent abrasion, blisters and cut injuries. Fingertip-dipped gloves offer greater flexibility because the palm is uncoated and allows greater movement, making the gloves suitable for working with smaller devices and objects that require greater dexterity. New finger dipped gloves may also be used as a liner under single use disposable gloves for life science manufacturing and test lab applications. Most individuals who use touch screens wear their work gloves for an entire shift and demand sufficient comfort for all day wear. New touch screen glove technology incorporates a high tenacity polyamide continuous thread knitted into a seamless liner that includes copper for greater breathability, tactility and dexterity. Workers on an assembly line or who operate machinery, for example, may need sufficient tactility to handle knobs and small parts. Maintenance and repair personnel also require dexterity and tactility when working with tools. Machine operators, such as forklift drivers, are constantly moving product from one area of the manufacturing facility to another. They are required to use touch screens at each stage to log in lot numbers, location and date. Without the use of touch screen capable work gloves, they would have to constantly don and doff their gloves. Touch screen devices are essential tools in today's manufacturing, construction, logistics and transportation environments - and their use will only escalate. Glove manufacturers continue to research and develop new technology to meet workers' performance needs when interacting with touch screens - while also keeping them safe and productive on the job. While new touch screen glove technology is intended for use in multi-purpose applications such as inventory, machine operations, maintenance and transportation where abrasion risks and less severe cut hazards may exist, gloves are in development for applications with a higher cut risk, including many jobs in the construction market.
Lg Neon Vs. Samsung A177? WHICH ONE?
Lg Neon Vs. Samsung A177? WHICH ONE?
Hey ! Okay , so both phones are great but they each have their downfalls. The LG Neon is a slider QWERTY-keyboard phone , so that's pretty cool. But the downfall to the Neon is that it is really flimsy ; I mean, after a while of continuous use, the phone might break depending on how you handle the phone. Also, Unlike the LG Xenon , the Neon is not touch screen, except for it's Number Dialing Screen. If you do not mind those two downfalls to the Neon, then the Neon is a standard phone for text messaging and calling. The Samsung A177 is a lot better [in my opinion]. I actually just bought a couple weeks ago, &I LOVE IT!! It does look a lot like a Blackberry , but that's not a Downfall , is it ? It has a great QWERTY keyboard , as well , and also a very large screen . It's also much more sturdy than the Neon, and a very nice size. However , one negative to this phone is that the keys on the keyboard are very small. If you have tiny fingers, then this is not that much of a problem, but if you have large hands you might find yourself getting frustrated. Aside from that , the Samsung A177 is a great phone, made primarily for texting and messaging. Between the two phones, the picture quality is primarily the same. However, the Neon's picture quality is just a little better. I hope this helped, and GOOD LUCK !!!! =]1. Should I buy a tablet or a laptop/notebook?in college you will need the power of the laptop i am sure. and i would not buy a windows 8 laptop. there is a reason why people are not buying touch screen. most of the touch screen laptops are low end almost toy like computers,the 11. 6 inch "laptops" that are not really laptops.2. any ways to remove scratches on env touch's touch screen?idk if you will b able to ever remove those scratches but u can buy a screen protected so u can protect it from further damage an maybe it even covers up the scratches3. will a ziplock bag protect my touch screen from hot shower steam? ?I doubt it! No matter what.... the touch screen will still sweat with all the steam and get wet some how!4. Ipod Touch Screen Cracked, help =[?By default, your iPod Touch is covered by Apple for one year, but this only includes manufacturer defects, not accidental damage. If you send it to Apple to have it repaired, we would charge from $100 - $150 (depending on how severe the crack is) now because i work at apple i can tell you that your one and only shot at getting it repaired for free and not having to do anything yourself is to go to your local Apple store and take it to the Genius Bar where the techs are. Apparently, a lot of people have gotten their iPods fixed by simply going up to their local Apple store and making a very emotional case! At Apple we really want their customers to be happy and many of the techs do not ask how you broke your iPod Touch, but will just fix it.(I am not saying this will definitely happen but give it a try) Hope this helps! Sorry about your Screen.5. Which touch screen phone should i get?i have 3 options for you and all 3 are pretty good! the g1,or sidekick LX 2009 if you are T-mobile! the lg env 3 if you are Verizon! and if you are at&t get the samsung impression! the i phone is heavy, looses battery quickly, and its bulky and way way too delicate! the blackberry's are good too its just that after a month or so the scroll ball things dont work as well and you find you are self getting frustrated... and sometimes they get stuck too! BTW if you are T-mobile and you are deciding between g1 and sidekick lx I would prefer the sidekick! hope this helps you make the right decision!6. what's the bad things about touch screen cell phones?I have the moto droid, so its a touch screen and a qwerty keyboard. the only thing ive noticed about the touchscreen is that sometimes when it rains, and the screen gets wet, or even during periods of high humidity, it becomes unresponsive. you just gotta make sure you wipe the screen down every once in a while, because your fingerprints can make the touchscreen less accurate.
Back to School Help!Read Details! Get 10Points For1 with Best Outfit!?
Back to School Help!Read Details! Get 10Points For1 with Best Outfit!?
go to www.polyvore.com and type in first ay of school and people make collages of what to wear and on the side it tell you wear you can buy it i love that website go check it out• Related QuestionsHow do you like my first chapter?It sounds just like Twilight only difference is the chick is the vamp. I bet next chapter will feature a boy who has an 'aura' that makes her want to suck his blood or something equally ridiculous.Your originality staggers me.------Is this an incredibly stupid idea?technicality you shouldn't get in trouble for that... but i have gotten in trouble for similar things when i was in school... they called it a distraction to other students (i was doing the goth thing before it was popular).------What to wear now in Miami?TRAVEL LIGHT AND ALWAYS BRING A CHANGE OF CLOTHES FOR A NIGHT ON THE TOWN!! tHE BEACH IS THE NECESSARY BIKINI REGARDLESS, AND THE NIGHT LIFE IS NOT MUCH MORE IF YOUR LOOKIN FOR A GREAT TIME...........iT IS MIAMI!!!!!------Should I wear a dress or a skirt on Valentine's Day?It depends upon the weather for me really. Within the fall I like to wear longer skirts and in the wintertime I wear longer ones with my boots, however in the spring and summer I prefer to wear short summer dresses------am looking for a wedding gown that i saw in a magazine years ago, fell in love with it. now cant find it help?Have you gone to a bridal shop yet? There may be some that have an archive of sorts of wedding gowns (photos, magazines, etc) that you may be able to find something close if not 'the one'.Good luck & Congrats------Can anyone read about these dreams for me please?Well, i think you like this guy. But you may be scared and unsure of what your friends think of it. try talking to your friends :)help me? thanks ------how do i look cute with my dress code?oh gosh...wow, that must be tough but one word ACCESSORIES! i now leave you to think...try: hope you find something you like :)------Ladies what is a good outfit for fall weather?girl jeans--ripped.((makes guys look so effin sexy))brown and red colors.((to make you blend in with the season))and some nice high heels that are so god damm gourgous it makes girls jeloushahahhope this helpssexy bioch------How is my intro for my story?i don't think you should say "all the more scary looking" in paragraph # 2. and in paragraph # 3 maybe u should say the doll looked most appauling afyter seeing the red yarn stiched over the mouth. Other than that AWESOME!------How would someone with this personality look/dress like?So if she is wealthy and artistic, probably like beige trousers with a navy blue jacket and white top. OR mayeb this outfit jpg.------This is the first half of chapter 1 in my book I'm writing. Can anyone read it and tell me how it is?omfg that is such a good story it makes me think of the twilight saga i love how you give so many details and describe his face i love the names and you need to keep on writing keep me updated------What shall i do about my daughter starting middle school???!?Woah, when I was that age I went to bed at 9:00 and read for an hour. I would say 8:30 - 10:00. Take her on a shopping spree at Justice. They have 40% off sales and cute clothes too. No more movies and chocolate------does anybody want to make me an outfit?Age: 15 Gender: woman form: in maximum circumstances Skater with incredibly Like, Prep colors: Any shade of green, Black, pink, Blue, pink clothing: T-Shirts, Hoodies, skinny denims shops: PacSun, Delias, heat concern count number, Abercrombie shoes: communicate, autos upload-ons: Necklaces, rings------Back to school clothes shopping list!!?I like girls in jeans. It makes them look more home town like and it doesn't look like they try too much but if you are looking to get this men attention, this might not be what you would like------beauty tips for young teen plz?were just the same but im tall not short lolthis is what goes on menavy blue, tan , dark greensskinny jeansflats or kitten heelst-shirts on long vestslongs coats that elongats your figuehope this helps------shorts and a band-aid, or should i cover it up.?Shorts Shorts Shorts.Oh god Please Do Not Wear A Long Sleeve ShirtUnder A Spaghetti Strap Dress.Just Wear Shorts and Everything Will Be Fine,I Mean If You Have Your Ankle Brace,Then Why Does A Band Aid Matter.------Can i wear a long sleeves dress to prom?Hello:Yeah go for it. but if you'd like to be in style try making one out of clean unused plastic garbage/trash/bin bags. That material is in style these days. I hope I helped, if not I'm sorry.------Can i just wear a t-shirt and pants for ice skating and not a long sleeve or with jacket?well it depends if your a good skater or not ....if its your first time ... wear jeans ... it don't hurt as much when you fall over ... and also wear a jacketthe temperature is normally 0-3 degrees in indoor rinks------Winter mommies...what type of outfit?i live in michigan. so it may be a little different. plus my son was born in march. but he went home in a university of michigan sleeper. we had a huge snow storm the day my son was born too------fashion/dress for teen girls in boston?Boston gets very cold in the fall/winter so make sure you pack a lot of warm clothes such as jackets, sweatshirts/pants, jeans, long sleeves, etc...In September, you could probably wear shorts if it's early in the month------Cute Ways To Dress For School?This Site Might Help You.RE:Cute Ways To Dress For School?I really like blue jeans and layering shirts , what are some things i can use as comfy assecories and some cute casual things to do with my hair THANKS------At a traditional Catholic wedding w/o communion at 7pm, do I have to wear a long dress??I like girls in jeans. It makes them look more home town like and it generally does not look like they try too hard but if you are looking to get this men attention, this might not be what you want------I think one of my students is being neglected/abused?well...don't you have an obligation to report anything out of the ordinary?? I would talk to the guidance counselor at your school and see what the next approach would be...they are better equipped for situations like yours. good luck------I'm fashionably challenged please help?well, 10 things that a teenage girl must have in her wardrobe are1) a little black dress2) a trench coat3) heels4) neutral coloured flats5) neutral coloured handbag6) a cardigan7) a blazer8) a day dress9) good pair of jeans10) an all occasions top------What is your school's dress code?bottoms, below fingertips3finger sleeveswe are allowed to wear any type of shoes, including flipflopspajamas are not a problem, (besides by style)those saggy type hats are acceptable, but not like sports capsheadbands everyone wears themhoodsno------Which of these dresses do you like the most?hey, i like the first one which is pink. It will really suit your age. If you changed the color to Black would also be nice. I have noticed that all of the dresses are short. Yet they are really pretty!------Anyone else have a daughter/s like this?Well u cant get her all dresses because school starts in the fall which means winter is right around the corner and you just said that she'll wear pants wen its cold so yes get her some pants as well :)------Why do females athletes wear tiny clothing and males dont?Sad to say but I think they want to make a fashion statement. Who knows maybe it's an endorsement for the clothing and so they get money for it. You are right others do just fine and even win some!.------Do women care how a man dresses or is that only shallow immature girls who do?Clothes do matter to me, because they tell you a lot about someone.I just know that I'm going to probably get along better with a guy who has really casual style and dresses for comfort and function rather than fashion.------What is the Disneyland dress code you must have to work there?I really like little skirts and the real way i fix it being brief is leggings and coloured tights. Not the methods with holes however the ones that virtually look like leggings but are obviously tights as a result of material------15 year old girl always comes to class with injuries?Yes, because if there is an abusive parent, someone needs to intervene. Same case if this student's injuries were self-inflicted, which would indicate depression.Unless she secretly fights criminals in her free time and picked up injuries from there.------what can i wear over or under this dress to be warm at a New York evening Wedding? Shoes - Or if you don't like them look at the rest of the shoes on the site.------What kind of hairstyle will look nice with this dress?Angel,it incredibly is a quite gown,yet as a guy,i think of somewhat like the type interior the image,it exhibits the gown and your self greater powerful,in case you spot my factor,so have an astounding time to------Why am I the only one to dress for the cold appropriately at school?I asked myself this same question when I moved to CT. In the winter it gets cold. However, I see many people in shorts and a zipped or pullover sweater. No lie, I even seen this one girl in flip flops.------Anyone with a sense of fashion... please help?I have a good look Somethign like that.------Wearing A Cherry Red Dress To A Wedding?I like females in jeans. It makes them look more city like and it generally does not look like they are trying too hard but if you're trying to get this guys attention, this may well not be what you would like------What would you call my style???? :)?It's really cute and laid back. I think it's more of a girly style with a slight edge.Also, if you want to add details, you can. It's under the edit link on your question or something.------I need a new wardrobe for fall I'm 23. I want advice on what basic essentials I should get to mix and makeGet classic clothes that don't go out of style, and accessorize. The accessories can change with time and you can wear the same clothes as a base. You keep up with fashion trends this way, and save money too.------Where can I find a sweater dress for a reasonable price?urban planet, urban outfitters, costa blanca....those are the only ones i can think of, and i dont know if you have one near you or not.also, a good suggestion, thrift stores! cheap, and you never know what youll find:)------Fall wardrobe for school aged children?my daughter wears uniforms, so i replace them as needed. i never went heavy into shopping as they had plenty of clothes from the summer to last a few months into the school year. i replaced clothes as need then, too------I'm 15 and going to a Georgia wedding in November. What should I wear?!?This is a pretty dress, it's short so not too dressy, but still elegant. Forever 21 has lots of cute dresses...and cheap! ------Why do people think that western riders are pur redneck hillbillies that don't care about their horse?Same reason people think english riders are stuck up snobs that wear their jods so tight so the sticks don't fall out of their butts. Ignorance and bigotry.There are amazing riders of both disciplines. And total jerks in both.------Survey: What is your style? (GIRLS)?1. jeggins and pumps and top and cardigan2. demin skirt and tank top (if its actually hot)3. jeans/jeggins or skirt with tights, uggs and hoodie4. jeggins and hoodie, pumps or uggs5. hollister, river island, primark..random ones6. pink7. down and straightened------What do you think? I'll answer yours if you answer mine. A little bit long, but please help. I'm confused!?It does sound like he likes you, but he may be shy about it or unsure of what to do. You may need to make the first move if you really want something to happen between the two of you------for grae 8 grad i have a dress its like not straps or tube tops its full length and full sleeves but all the?Psh no,it sounds like there trying to be too grown up and to slut-like.As long as your dress is pretty and is not covering your body from the top pf your head to the floor, u should be fine.------Have no idea what to wear on first day?!? would work well :) I suggest lose fitting but not baggy shirt with shorts or boyfriend jeans :P------what is this fall's fashion?cuffed high boots, skinny jeans, and stripped long sleeve sweaters. Thick belts around the waist with a long white shirt and black leggings, kimono styke dresses and peep toe shoes... Try looking at this months issues of Lucky fashion magazine and glamour.
Design Scheme of Multi-channel Voltage Measurement Based on Stm32
Design Scheme of Multi-channel Voltage Measurement Based on Stm32
This design proposes a design scheme of multi-channel voltage measurement based on STM32 chip, and the measurement range is between 0-10V. The built-in A / D of STM32 samples the multi-channel voltage values to obtain the corresponding digital quantity. Then the corresponding analog voltage value is obtained according to the proportional relationship between digital quantity and analog quantity, which is displayed by TFTLCD display equipment, and the multi-channel collected data is stored in SD card.1. IntroductionIn recent years, data acquisition and its application have attracted more and more attention, and data acquisition system has developed rapidly. It can be widely used in various fields.Data acquisition technology is one of the important branches of information science. Data acquisition is also a process of obtaining object information from one or more signals. Data acquisition is an important link in industrial control systems. It is usually realized by some single chip microcomputer systems with relatively independent functions. As an indispensable part of the measurement and control system, the performance characteristics of data acquisition directly affect the whole system.Voltage measurement is the most universal. It is of great significance to study and design methods and instruments to improve voltage measurement accuracy. In the design of voltage measurement, single chip microcomputer as controller is the core of the whole design. In addition, there must be an analog-to-digital converter (ADC) in the design. ADC is used to directly collect analog voltage and convert analog signal into digital signal. It directly affects the accuracy and speed of data acquisition.2. System overviewThe microcontroller of this design adopts STM32 single chip microcomputer.STM32 Series MCU is designed based on the Cortex-M3 core of arm company. Its clock frequency reaches 72mhz. It is a high-performance product among similar products. It has the advantages of high performance, low cost and low power consumption. It is a good choice in embedded application design. The A / D converter in the design adopts STM32 built-in ADC. STM32 ADC is a 12 bit successive approximation analog-to-digital converter.It has up to 18 channels and can measure 16 external and 2 internal signal sources. The A / D conversion of each channel can be performed in single, continuous, scanning or intermittent mode. The conversion results can be stored in the 16 bit data register in left or right alignment. The maximum input clock can reach 14mhzThis design can measure the voltage value of 8 channels, the measurement range is 0-10V, and the display error is ± 0.001V. LCD displays the voltage value and waveform in real time, and microSD card synchronously stores the data. The system principle block diagram is shown in Figure 1.Design scheme of multi-channel voltage measurement based on stm323.3 LCD control circuitThe LCD used in this design is 2.4 inches, 320 & times; 240 resolution. The LCD module is controlled by the FSMC interface of STM32.FSMC (flexible static memory controller) can be changed into static storage controller. It is a unique storage control mechanism of STM32 series high storage density microcontroller with internal integration of flash of more than 256Kb and suffixes Xc, XD and Xe. By setting the special function register, FSMC can send corresponding data / address / control signal types according to different external memory types to match the speed of the signal, so that STM32 series microcontrollers can not only apply various external static memories of different types and speeds, Moreover, it can expand a variety of different types of static memory without adding external devices, so as to meet the comprehensive requirements of system design for storage capacity, product volume and cost.In STM32, one end of FSMC is connected to core Cortex-M3 through internal high-speed bus AHB, and the other end is an external bus for extended memory. After the access signal of the kernel to the external memory is sent to the AHB bus, it is converted into a signal conforming to the communication protocol of the external memory through the FSMC and sent to the corresponding pin of the external memory to realize the data interaction between the kernel and the external memory. FSMC acts as a bridge, which can not only convert the signal type, but also adjust the signal width and timing, so as to shield the differences of different storage types and make them no difference to the kernel.FSMC can connect devices such as nor / PSRAM / NAND / PC card, and has FSMC_ A [25:0] has 26 address buses and FSMC [15:0] has 16 data buses. In addition, the extended storage space of FSMC is divided into 8 blocks. Select the block of the operation through the address line. In this way, the LCD will operate as a memory with one address space.3.4 SD card drive circuitThe SD card used in this design is microSD, also known as TF card. MicroSD card is a very small flash memory card, which is mainly used in mobile phones. However, due to its small volume and the continuous improvement of storage capacity, it has been used in GPS devices, portable music players, digital cameras and some flash memory disks. The pin diagram of microSD card is shown in Figure 9.MicroSD card, like SD card, has SPI and SDIO operation buses. Compared with SDIO bus, SPI bus has simple interface, but its speed is slow. We use SDIO mode.MicroSD card has 4 data lines in SDIO mode.In fact, microSD has 1-wire mode and 4-wire mode in SDIO mode, that is, 1 or 4 data lines are used respectively. Of course, the speed of 4-wire mode is faster than that of 1-wire mode, but the operation is more complex. The 4-wire mode of SDIO is used in this design. The hardware connection diagram of microSD card is shown in Figure 3.STM32 MCU Chinese official websiteSTMicroelectronics / St / STM
How Does Temperature Affect the Speed of Sound?
How Does Temperature Affect the Speed of Sound?
As other answers show, the speed of sound is slightly influenced by temperature.Much more interesting is the influence of gradients in temperature! The usual distribution of temperature at different heights is: high at ground level, decreasing upwards. This profile, with slightly higher sound velocity at ground level causes wave fronts to curve upwards. Sometimes the temperature profile is inverse, from ground level to a certain height, in the order of hundreds of meters. This inversion layer acts as a reflector, causing sound to propagate over much larger distances.It is not the speed as such, but the differences in speed that have important influence on sound propagation.1. How to increase my running speed?No, leaping prime does now not make you a quicker runner. Speed is muscular so you will do whole frame paintings along side plyometrics, which can be exceptional varieties of bounding and leaping to construct explosive force. To get greater at going for walks you ought to run. If you are employed on lifting and doing the plyometrics you are going to have the groundwork to upgrade your going for walks. What form of going for walks are you running for? If it's soccer then you definitely will have to coach for brief bursts of velocity. If it's one other game you have got to appear on the distances required on your game. A huge aspect of velocity it response. That manner the begin. Whether it's out of the blocks in a race, or attending to a fly ball within the outfield. Speed is vigor so that you ought to be ready to loosen up rise up tall, maintain your elbows at ninety levels, swing them directly entrance to again, and now not throughout your frame. Land at the balls of your ft.2. Water flows through a 1.5 cm diameter pipe into a 275 liter bathtub, which it fills in 5 minutes. What is the speed of the water in the pipe?Mass of 275 litres of Water divided by 5 minutes x 60 seconds = Time of 300 secondsMass Flow Rate of 0.9166 litres per secondThis is excessive amount of water in Speed or Velocity to fill a bathtub in 300 seconds. See IPHE & CIBSE CoP & Technical Guidance on maximum flow rate for 15 mm smooth wall copper pipework. The water pressure is another factor is consider.Water flows through a 1.5 cm diameter pipe into a 275 liter bathtub, which it fills in 5 minutes. What is the speed of the water in the pipe?.3. Not getting the download speed I should be getting?you download a file to what ? a phone or a computer? ethernet or wirelessly ? you need to be more clear on how to ask a question, even with my godlike powers i cant read your mind4. Need help gaining speed/trimming fat?challenging task. browse in google. that will may help!5. Why are people so insistent that speed of light is constant for all observers and is the maximum traveling speed?In special relativity, when the speed of light is constant for everyone, time can be different. When different travellers or observers have light remain constant, their time can change to allow for this. So try to wrap your head around the fact that different observers can have differences in time, and this allows the speed of light to remain constant for all observers.6. fur nice fan motor Polly have to be smaller to make the fan go faster?Motor pulley larger or driven pulley smaller will increase speed7. What are the technical factors in a processor that determine its speed?Clock Speed of the Processor and its primary cache size determines its speed in terms of throughput8. Is faster than the speed of light possible?well ist just a theory so it could be or couldnt be true.....einstien said if we could go the speed of light then we cold time travel...other people say it is still expanding....what i want to know is how can all of that crap fit into somthing the size of a pin head lol.9. How to train for faster picking speed on guitar?Assuming we are talking about alternate picking, there are basically two exercise methods for building speed.The first and the better known one is to start slow. Set your metronome to a comfortable tempo and play the exercise a few times. Then go up 2 bpms or so and repeat. Continue alternating between plus two and minus one. Back down some 10 bpm when you hit your limit and work your way up from there again. You can go up 10 bpm or so from time to time just to see how it feels. The second one is to practice in bursts. Start with two notes and play as fast as you can. Then add the third and continue from there. This method is not as well known as the first one but is every bit as useful. You can also start from the most difficult spot on the exercise and add notes on both sides.Practicing scales only is probably not the best way to go. There are specially crafted exercise sets to build speed that isolate common patterns. Troy Stetina's book Speed Mechanics contains one such set.In terms of technique, on your left hand, only apply enough pressure to avoid buzz. You will get tired very quickly if you exert more force than necessary. The lighter your left hand touch is, the easier it is to play fast. It's easier said than done but that's the whole idea of practicing.On your right hand, I would not worry that much about wrist vs. elbow unless you are aiming for Guiness speed record. Wrist movement is probably a bit better but there's nothing wrong with a combination of wrist and elbow. Guitarists argue about it all the time but there are superb guitarists in both camps which proves that both techniques are equally viable. Just avoid finger movement, it does not work for fast playing
What Is WiFi? Just Tell Me What It Is, and What It's Used For.?
What Is WiFi? Just Tell Me What It Is, and What It's Used For.?
Wi-Fi= wireless fidelity and what everyone else said1. i want to acess internet on my psp and my pc.i heard about this wifi link.i don't what a wifi is.plz help?you are not going to get free internet. if you want internet you have to pay for it. all Wi-Fi is, is you plugging a router into your internet connection, then the router transmits a signal.2. What WiFi router should I buy for my 800 SF apartment?Any wifi router provided by the internet provider will do and serve the purpose...An apartment area of 800 sq. ft is small enough which can easily be served by the company provided hardwares!You would not want to have a very strong signal that anyone outside your apartment can tap into!3. What is wifi and how do I know if my house has it?Wi-Fi is a wireless internet connection that things like laptops, wireless cards, and game systems use connect to the internet. If you do not have a wireless router, you do not have Wi-Fi4. What Wifi usb Adpter Is Better?Neither, they are both low quality. Buy from a reputable brand5. what is wifi actually? how does it works?it's a wireless connection. you can connect any computing device as long as you have a wireless nic enabled on that certain device. to access the internet you need to be in a "hotspot" that's the place where you can get your signal to connect to the internet6. How can I find out what Wifi networks my iPhone knows about?I think the only way is to actually be in range of the network that you want to get rid of. You can not actually see what networks you have stored, not that I know of, but if you want to get rid of a network.Settings > Wifi > Then select the blue arrow on the right of the network that you are connected to and click "Forget this Network".7. How do I find out what wifi chipset my phone has?I simply used the dmesg command in a terminal emulator and scrolled until I found anything named bcm432x... and wlan. Think thats it. I have lg p5008. I'm not entirely sure what WiFi is?Have a look at the wikipedia article. Usually you would get a DSL connection and set up your wireless network at home. The wireless network connection is also called W-LAN or WiFi, but in this context, WiFi has nothing to do with the ISP. Not sure if in your region any provider sells internet acces via WiFi, this is not a common thing to do.9. What is wifi and what does it do for a phone?If you have internet at home and have a wireless router you can connect wirelessly to it and get on the internet etc. on your phone. Hope this helps!10. 802.11 standards compliant methods of forming a LAN. Unlike Ethernet, data does not travel along a cable, but rather, wirelessly, at a frequency of 2.4GHz (802.11b/g) or 5.0GHz (802.11n and the antiquated 802.11a)11. What is "WiFi" and can you explain ,more about it? I'm GOnna buy a laptop.?well if you want wifi in your home you have to have an internet connection threw a modem..ex comcast, qwest, at&t. you will need to purchase a wireless router, its just another device that hooks into your modem. so no it is not free, but it is a one time charge because your ISP will not charge you to have the wireless router hooked up...and where you can use it is in your home. you can also connect to wifi at places like starbucks, and that is free as well.12. What WiFi router brands or models are considered to be secure? [closed]For cheap solution I use a wifi router well supported by dd-wrt alternative firmware. Here you can find supported models database.For more advanced, trouble-safe solution I use Ubiquiti UniFi - the AC-Lite model is really good.13. What is a bluetooth? what is WIFI? And what is a BLU RAY DVD?Bluetooth is a wireless technology for connecting electronic devices to each other. For instance there are Bluetooth Headphones, Bluetooth Cell Phone Ear Pieces, etc... If you want to be able to use the Bluetooth Ear Pieces with your cellphone, your cellphone must be Bluetooth compatible. WiFi is a method of connecting to the internet wirelessly. For instance many big cities may have "WiFi Hotspots". If you are in these WiFi Hotspots and you have your laptop or any other device that can connect to the internet wirelessly, you can surf the web wirelessly as long as you are in that particular area. And Blu-Ray is Sony's High Definition format disc. The difference between Blu-Ray and Regular DVD is that Blu-Ray can produce 1080p HD quality picture and Blu-Ray can hold more data. A Single Layer Blu-Ray disc can hold 25GB and a Dual Layer DVD can hold 50GB. A standard DVD can only hold around 8.5GB total. Basically if you have a HDTV, Blu-Ray would be the best choice for getting the best picture quality with clear, crisp viewing quality.
Which Is Better, WiFi Or ZigBee Wireless Technology
Which Is Better, WiFi Or ZigBee Wireless Technology
Wireless replacing wired has become an irreversible trend, which can also be said to be a new industry. At present, there are two technical camps of ZigBee and WiFi in the field of smart home, and WiFi and ZigBee have their own advantages in wireless technology. Among the most popular wireless technologies in the industry, WiFi technology and ZigBee technology are the most worthy of competition. So which is more advantageous, WiFi or ZigBee? Who will become the mainstream in the future? This is worth discussing.WiFi: WiFi technology is the fastest transmission technology at present. The product cost is low and it is more popular in current life. However, the devices that can be connected with WiFi are limited. The actual scale of adding WiFi network to devices generally will not exceed 16. In the development of, the number of switches, lighting and home appliances will certainly be far more than 16, so WiFi has its advantages, but it has great limitations, Limited development.ZigBee is a two-way wireless communication technology with low complexity, high security and short-range transmission. It has the characteristics of strong scalability and can be embedded in various household devices. ZigBee also has advantages in security.1. The future smart home network will be a smart network, which can sensitively perceive the changes of data and traffic of each node; Be able to intelligently allocate, repair and deal with network resources; It has the attribute of "self-learning and self-organization".. However, in the practical application of families, switches, lighting, curtains, anti-theft devices, etc. will not move after installation.2. ZigBee supports up to 65000 nodes, but can WiFi connect more than 100 devices? The answer is No. So large capacity is good.For example, LVMI smart home, that is, Xiaomi's smart home brand, basically supports ZigBee protocol.When it comes to LVMI, I recommend their smart gateway. The smart home market is very messy. Sometimes we are excited to buy it and find that it does not support it. Therefore, when we buy it, we should see what the device supports or does not support. Of course, the best thing is to buy a gateway with high compatibility. LVMI's gateway product not only supports ZigBee protocol, but also is compatible with homekit. This product supports 32 aqara devices of green rice, which can be connected with Apple's "home" app. After that, it can control the associated devices on IOS devices and Siri directly. I think most young people now use fruit machines to compare prices. In this way, it is still very friendly to most IOS users. For fruit powder users, the biggest advantage of this product is price. At present, the smart home products supporting homekit on Apple's official website are very expensive. Even a simple smart socket costs 295 yuan. Through the aqara gateway of LVMI, the cost of access equipment can be reduced.Well, comprehensive comparison, WiFi is relatively more convenient, but ZigBee will be more stable and support more devices. If you only want to use one or two smart devices, WiFi can be used. If you want to create a complete set of smart home ecological chain, it is obvious that ZigBee is more in line with your requirements. Xiaobian is more optimistic about ZigBee. After all, home is developing towards the trend of comprehensive intelligence, Technology with multiple devices can ensure this. No matter what kind of technology, we hope to constantly update and improve, and making our products convenient is the king.
Smart Home Promotes Building Intercom into Thousands of Households, with Large Stock and Incremental
Smart Home Promotes Building Intercom into Thousands of Households, with Large Stock and Incremental
In the large densely populated cities of Beijing, Shanghai, Guangzhou and Shenzhen and the rising second and third tier cities, the housing demand is increasing year by year. The huge floating population not only promotes the rapid development of low-end real estate resources in the first tier cities, but also extends the complex industrial chain around the buildings. In particular, the development slogan of "smart city" put forward by the state in recent two years gives hope to the market that lives on security products around buildings in addition to real estate developers.Smart home promotes building intercom into thousands of householdsAt present, more and more building intercom manufacturers begin to go deep into the field of smart home and combine building intercom system with smart home system. This is reflected in the construction of "digital building" and "smart home industry ecosystem":Combined with the smart home system, in addition to the traditional intercom unlocking function, the building intercom also integrates many convenient functions such as SMS notification, mobile app remote control, security alarm, indoor monitoring and viewing, elevator call, home control, information home and so on.Building intercom and smart home complement each other, further improving the value-added space and cost performance of both, thus bringing huge space for function expansion.In the future, it is expected to take advantage of the upsurge of smart home to develop rapidly in the wave of home intelligence, and will carry more home control functions.Smart community derived demand brings new business opportunities for building intercomIn addition to the smart home, the building intercom system, as the entrance of the smart community, realizes the extension of multiple functions such as identity confirmation, access control, security monitoring, human-computer interaction and so on by combining AI technology.The consumer demand derived from the smart community can be said to bring new business opportunities to the building intercom industry. In the process of continuous promotion of the smart community, many building intercom enterprises see the future business opportunities and begin to make corresponding layout and planning on products and solutions. Using information means, Internet and Internet of things technology, develop community oriented Internet of things system and information platform, and provide real-time, fast, efficient and low-cost Internet of things, interconnection and intelligence for the community on this basis. For example, it launched smart community management, smart life services, smart travel and other related solutions, and continued to pay attention to the field of community and personal security.High, middle and low-end take all stock and incremental market space is largeAs an upstream industry of real estate, building intercom has significantly increased the demand for medium and low-end building intercom products under the condition that the state vigorously promotes the construction of affordable housing and indemnificatory housing.With the implementation of smart city construction, the demand for high-end building intercom products is also increasing day by day. The application of high-definition visualization and face recognition in the field of building intercom is accelerating.At the same time, after more than 20 years of development, many communities equipped with building intercom in the early stage are facing problems such as disrepair and backward configuration. Therefore, the equipment renewal demand of old communities has also become a new round of market growth point of building intercom system.Overall, China's housing market will continue to develop. According to the relevant development strategies of the State Council, China will build 10 billion square meters of housing by 2020. For building intercom enterprises, there is a large development space for building intercom related products in both stock market and incremental market.Conclusion: in a word, opening up the integration and docking with comprehensive life service platforms and community operation platforms such as third-party payment, smart city, video surveillance, community o2o e-commerce, smart home and community elderly care, that is to provide overall solutions for communities and families, which has become the future development trend of deepening reform, transformation and upgrading of building intercom enterprises. Moreover, with the gradual improvement of community infrastructure, building intercom enterprises also need to change from the role of product provider to the role of supporting service provider.
Upgrading of Set Top Box
Upgrading of Set Top Box
Cable STB From 1990 to 2005, the first generation set-top box, also known as analog TV set-top box, dominated the family living room for 15 years. However, due to the unidirectional content and low definition, it also replaced as the second generation set-top box - Digital TV set-top box as CRT TV withdrew from the historical stage. Although the definition of digital TV set-top box has changed greatly, the unidirectional content of both the first and second generation set-top boxes still fails to meet the needs of users. However, the second-generation TV set-top box still has a very large market. It carries the main way of radio and television live broadcasting. It has been in service until today. With the popularization of Internet and triple play, the second-generation TV set-top box has added interactivity.IPTV set top boxIPTV (Internet Protocol Television), namely network protocol television, is a technology that uses broadband network and integrates Internet, multimedia, communication and other technologies to provide home users with a variety of interactive video services, including digital TV. Its three major functions of live broadcasting, watching back and time shift turn the originally linear TV programs into a nonlinear program stream. Users can choose programs instead of watching programs, which is a great subversion to the viewing habits of traditional cable TV users. In 2004, China's IPTV was jointly launched by Heilongjiang Unicom (formerly Netcom) and Shanghai Wenguang blockbuster in Harbin, and then expanded to other provinces and cities in China. After the exploration stage from 2004 to 2008, the launch stage from 2009 to 2012 and the promotion stage from 2013 to 2017, IPTV has developed very rapidly in China.Ott boxNetwork STB began to rise in 2005, also known as Ott box. Ott not only provides free video viewing without monthly rent, but also can realize on-demand service. At this time, the network STB can only realize the function of online on-demand. Until 2007, Jingchen solved the problem of decoding, the network STB added the local playback function, and then Android in 2011   The entry of TV platform has made a qualitative leap in the network set-top box industry. The Ott industry has changed from "pseudo two-way" to full two-way. The Android TV platform has fundamentally solved the problem of openness. The network set-top box has entered the era of intelligent network set-top box, and the box industry has entered a period of rapid prosperity and development. From 2011 to 2015, the intelligent network set-top box based on 32-bit software and hardware processing system gradually developed into dual core, quad core and 8-core, and the hardware performance tended to be improved. The Android version was from 1.6 to 4.2, and the software became more and more mature, supporting 4K display resolution. Since 2015, the intelligent network set-top box based on 64 bit software and hardware processing system has become popular, The mainstream box is equipped with 1GB or 2GB of running memory, bringing scalable intelligent applications with strong hardware and software.
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