The Role of the Vacuum Valve in the Assembly

With the spread of coronavirus causing many employers to close down offices and have employees work from home for an unknown period of time, employees might find their home offices (or just homes) woefully unprepared. Working from the couch with a laptop is not something your back will thank you for after a week or so.

So, whether you are trying to create a home office from scratch or just looking to upgrade what you already have, we have rounded up supplies that can make working from home more comfortable.

If you are used to working with a monitor or multiple screens, looking down at your laptop might strain your neck or affect your posture. This 24-in. computer monitor is found in offices across the country. The stand is height-adjustable and can also pivot. It also has an anti-glare display.

This desk from IKEA is inexpensive, simple and comes in several different color options. If you do not need a lot of drawer space, this desk is ideal. The two drawers have drawer stops, so the drawers can not be pulled out too far. The desk also has a built-in feature that will help you hide unseemly cables. The only caveat is that you will have to assemble this desk yourself, unless you decide to pay for assembly.

A good office chair is key to a productive workday. With a 4.4-star rating and nearly 3,200 reviews on Wayfair, this is one of Wayfair's better-rated office chairs. The chair provides lumbar support and the back angle, back height and arm height can be adjusted to users' needs. The chair also has a contoured base and is made for sitting in for 8-10 hours.

This TaoTronics lamp has 5-stars on Amazon and more than 8,000 reviews. It offers four different lights and five different brightness settings. The lamp arm swivels up to 140 degrees and the base can move up to 180 degrees. In addition to the lamp settings, the lamp runs on a 1-hour timer, so you wo not have to worry about remembering to turn it off.

If you would rather avoid purchasing a monitor, this stand works as a quick home office solution. It raises your laptop to your eye level. This laptop holder works with all Apple laptops and other laptops that are less than 10.4 inches deep. If you opt to get a laptop holder, you might want to consider getting a wireless keyboard.

For office employees who are worried about getting work done without interruptions or background noise from spouses, roommates or kids, noise-cancelling headphones might help. These Sony headphones received 4.6-stars and more than 3,200 reviews. Equipped with Artificial Intelligence Noise Cancelation, the headphones adjust performance based on how loud the room you are in is. They also have up to 35 hours of battery life and can be used for 200 hours on standby mode.

The Role of the Vacuum Valve in the Assembly 1

Toys R Us Bike Assembler?

I have a feeling you will make a good assembler and have a fair mechanical skills but big box stores like Toys R Us , Walmart , K-Mart , Target , all these stores pay cheap and do not have quality in there work its uses guess what cheap materials and as long its a bike shaped object on the shevles they really do not give any rat tail about it . You need to work in a local bike shop or at least a sporting goods store where its at least better quality in there products

What will happen if the US loses in the UN general assembly voting for the Jerusalem status?

The United Nations is the world's largest brothel.The USA can not loose. It's impossible. Why? In the security council the USA has veto power. In the General Assembly, a vote against the USA & Israel (again & again) has no enforcement power.

The Role of the Vacuum Valve in the Assembly 2

What is a compiler assembler?

In over 40 years of developing software, I have never come across a "compiler assembler." While both are language translators, a compiler and an assembler are two very distinct things.A compiler translates high-level language source code into machine language code (or occasionally, into assembly language source code), or into an intermediate language (e. g. , bytecode, CIL, p-Code, etc. ). An assembler translates low-level assembly language source code into machine language code.But the term "compiler assembler" doesn't really make sense.Some high-level programming language compilers allow insertion of assembly language instructions directly in the source code, so those compilers also do some assembling for you, but they are still just compilers.

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Pasternack Launches a New Product of Temperature Pretreatment Low Loss RF Cable Assembly
Pasternack Launches a New Product of Temperature Pretreatment Low Loss RF Cable Assembly
High reliability off the shelf cable components with operating frequency up to 18GHz and can be delivered within 24 hoursPasternack, a brand of infinite electronics and a leading supplier of RF, microwave and millimeter wave products in the industry, has launched a series of new temperature pretreatment high reliability RF cable components that are extremely suitable for avionics, military electronic equipment, IFF, satellite communication, ECM and other mission critical applications.Pasternack temperature pretreatment low loss and high reliability cable assembly new product series adopts three different cable types, including 128 basic structures, with a total number of item numbers of more than 1100. All products can be delivered within 24 hours. The characteristics of such cable products include: operating frequency up to 18GHz; VSWR is as low as 1.35:1; Adopt popular stainless steel connector and pre temperature treated three shielding layer coaxial cable; It is assembled by j-std welding process and in accordance with whma-a-620 process standard. The combination of high stability materials and consistent processing, acceptance and testing processes makes these high reliability cable components extremely suitable for applications where long-term performance is an important factor or the cost of failure is extremely high. Before being used as the final cots product, these cable components pass the test 100%, and the final product is attached with the test report and material batch traceability material. This series of cable components is an ideal choice for industries such as national defense, aerospace and transportation that regard system operation capability as a key element."This series of cables is a high reliability cable assembly product specially designed for mission critical applications requiring the use of the highest quality components and processes, which is launched again by Pasternack after mil-dtl-17 high reliability cables. Like mil-dtl-17 high reliability cables, this series of cable assemblies are in stock and can be shipped within 24 hours after ordering", Mr. Dan birch, product manager, explained.Pasternack temperature pretreatment low loss cable assembly new products have been prepared in the warehouse and can be delivered at any time without minimum order quantity.If you have other questions, please call Pasternack customer service hotline 400 928 5100 or 0512 6280 6638.###About PasternackPasternack is a global leader in RF products, founded in 1972. As a manufacturer and supplier with ISO9001:2008 certification, Pasternack provides the industry with the widest choice of active and passive RF, microwave and millimeter wave products, which can be delivered on the same day. Pasternack is part of infinite electronics.About infinite ElectronicsAs the world's leading supplier of electronic components, yingfeichang serves the urgent needs of engineers with its series of well-known brands. Yingfeichang's brands are professional brands in their respective product sectors, providing rich engineering grade products, supplemented by expert technical support and delivery services on the same day. In order to meet the needs of more than 100000 customers from various fields, yingfeichang is faithfully committed to the preparation, warehousing and reliable delivery of products every day.
Wisconsin Assembly, District 8
Wisconsin Assembly, District 8
Wisconsin Assembly, District 8The 8th District of the Wisconsin Assembly is one of 99 districts in the Wisconsin State Assembly. Located in Southern Wisconsin, the district is in Milwaukee County and currently encompasses part of the City of Milwaukee. The seat has been held by JoCasta Zamarripa since 2011. The 8th Assembly District is located within Wisconsin's 3rd Senate District, along with the 7th and 9th Assembly Districts.— — — — — —Connecticut's 54th assembly districtThe Fifty-Fourth Connecticut House of Representatives district elects one member of the Connecticut House of Representatives. Its current representative is Democrat Gregory Haddad. The district consists the towns of Mansfield, which includes the Storrs campus of the University of Connecticut, and Chaplin, which was added to the district in 2001.— — — — — —Wisconsin Assembly, District 14The 14th District of the Wisconsin Assembly is one of 99 districts in the Wisconsin State Assembly. Located in Southern Wisconsin, the district currently encompasses portions of Milwaukee and Waukesha counties and part of the City of Milwaukee. The seat has been held by Robyn Vining since 2019. The 14th Assembly District is located within Wisconsin's 5th Senate District, along with the 13th and 15th Assembly Districts.— — — — — —Wisconsin Assembly, District 11The 11th District of the Wisconsin Assembly is one of 99 districts in the Wisconsin State Assembly. Located in Southern Wisconsin, the district is in Milwaukee County and currently encompasses part of the cities of Glendale and Milwaukee. The seat has been held by Jason Fields since 2017. The 11th Assembly District is located within Wisconsin's 4th Senate District, along with the 10th and 12th Assembly Districts.— — — — — —California's 49th State Assembly districtCalifornia's 49th State Assembly district is one of 80 California State Assembly districts. It is currently represented by Democrat Ed Chau of Arcadia— — — — — —New York's 61st State Assembly districtNew York's 61st State Assembly district is one of 150 districts of the New York State Assembly. It is currently represented by Assemblymember Charles Fall (D). It is located on Staten Island's North Shore.— — — — — —California's 47th State Assembly districtCalifornia's 47th State Assembly district is one of 80 California State Assembly districts. It is currently represented by Democrat Eloise Reyes of Grand Terrace— — — — — —California's 36th State Assembly districtCalifornia's 36th State Assembly district is one of 80 California State Assembly districts. It is currently represented by Republican Tom Lackey of Palmdale. Despite California's six-year term limit on the State Assembly, during the 20-year period from 1992-2012, the seat was held continuously by members of either the Knight family of Palmdale or the Runner family of Lancaster. .— — — — — —Wisconsin Assembly, District 17The 17th District of the Wisconsin Assembly is one of 99 districts in the Wisconsin State Assembly. Located in Southern Wisconsin, the district currently encompasses part of the City of Milwaukee in Milwaukee County. The seat has been vacant since June 18, 2020 with resignation of David Crowley to become Milwaukee County Executive. The 17th Assembly District is located within Wisconsin's 6th Senate District, along with the 16th and 18th Assembly Districts.— — — — — —California's 12th State Assembly districtCalifornia's 12th State Assembly district is one of 80 California State Assembly districts. It is currently represented by Republican Heath Flora of Ripon— — — — — —Connecticut's 29th assembly districtThe Twenty-Ninth Connecticut House of Representatives district elects one member of the Connecticut House of Representatives. Its current representative is Kerry Szeps-Wood. The district consists of the town of Rocky Hill, the historical base of the district in which all representatives since 1975 have lived, and parts of the towns of Newington, which is split between the 24th, 27th and 29th districts, and Wethersfield, which is split between the 28th and 29th districts. Until boundary changes that took effect for the 2002 election, a small portion of the city of Hartford was a part of the district and the portion of Newington currently within the 29th district was a part of the 27th district— — — — — —Wisconsin Assembly, District 10The 10th District of the Wisconsin Assembly is one of 99 districts in the Wisconsin State Assembly. Located in Southern Wisconsin, the district is in Milwaukee County and currently encompasses part of the City of Milwaukee. The seat has been held by David Bowen since 2015. The 10th Assembly District is located within Wisconsin's 4th Senate District, along with the 11th and 12th Assembly Districts.
Nevada  Assembly
Nevada Assembly
Nevada AssemblyElectionsWhen incumbent Republican Jim Gibbons decided to retire to run for Governor of Nevada in 1994, Sandoval ran for the Reno-based 25th District of the Nevada Assembly. He won the open seat and won re-election in 1996. After he resigned from his seat in 1998, Gibbons' wife Dawn, won the open seat. TenureSandoval sponsored 14 bills that became law-including some that prevented felons from suing victims if they are injured committing a crime, increased the penalties for operating a boat under the influence, and allowed indigent defendants to perform community service to defray their legal costs. Committee assignmentsSandoval served on the Judiciary, Taxation and Natural Resources Committees. He also served on the Nevada Legislative Commission, the Advisory Commission on Sentencing, the Juvenile Justice Commission, the Advisory Council on Community Notification of Sex Offenders, and the Tahoe Regional Planning Agency Oversight Committee.— — — — — —Gibson assemblyGibson Assembly is a molecular cloning method which allows for the joining of multiple DNA fragments in a single, isothermal reaction. It is named after its creator, Daniel G. Gibson, who was the Chief Technology Officer and co-founder of Codex DNA— — — — — —Functions of the AssemblyThe Assembly has nine basic functions: Set policies of the Union. Decide on what action to take after consideration of reports and recommendations from the other organs of the Union. Consider membership requests into the Union. Create bodies for the Union. Monitor the implementation of policies and decisions of the Union as well ensure compliance by all Member States. Create a budget of the Union. Provide direction to the Executive Council on conflicts, war and other emergency situations and the restoration of peace. Select judges for and withdraw judges of the Court of Justice. Appoint the Chairman of the Commission, Commissioners of the Commission, all respective deputies and determine how long they will serve and what duties they will perform.— — — — — —State AssemblyDistrictsAssemblymenThe asterisk (*) denotes members of the previous Legislature who continued as members of this Legislature. Party affiliations follow the vote on State officers on February 1, 7 and 8. EmployeesClerk: John O. Cole Sergeant-at-Arms: Abner N. Beardsley Doorkeeper: John W. Turner Assistant Doorkeepers: George Van Deusen Second Assistant Doorkeeper: Pliny M. Bromley, from January 8, 1842— — — — — —Assembly segmentsKolkata Uttar (Lok Sabha constituency) (parliamentary constituency no. 24) is composed of the following assembly segments: Chowranghee (assembly constituency no. 162) Entally (assembly constituency no. 163) Beleghata (assembly constituency no. 164) Jorasanko (assembly constituency no. 165) Shyampukur (assembly constituency no. 166) Maniktala (assembly constituency no. 167) Kashipur Belgachhia (assembly constituency no. 168)— — — — — —Assembly of ExtremaduraThe Assembly of Extremadura (Spanish: Asamblea de Extremadura; also called Parlamento de Extremadura) is the elected unicameral legislature of the Autonomous Community of Extremadura. The electoral period is four years. The Assembly of Extremadura is seated at the old Hospital of San Juan de Dios, in Mrida, the capital of the autonomous community. The session room features a 5th-century mosaic found in 1978 near the Roman Theatre.— — — — — —Members of Assembly2005: Prakash Ram, Rashtriya Janata Dal 2009: Baidyanath Ram, Bharatiya Janata Party 2014: Prakash Ram, Jharkhand Vikas Morcha (suspended since March 2018) 2019: Baidyanath Ram, JMM— — — — — —Speakers of the AssemblyThe following are the Speakers of the Malacca State Legislative Assembly since 1959:— — — — — —Assembly serviceHe served one term in the Assembly (the Second Session of the State Legislature, which convened on January 10, 1849, and adjourned April 2, 1849) from southern Racine County (the Towns of Brighton, Bristol, Paris, Salem and Wheatland) as a Free Soiler, succeeding Democrat Elias Woodworth, Jr.. At that time Thorp was living in or near Bristol. He was succeeded in the 1850 session by fellow Free Soiler George M. Robinson.— — — — — —Transport and assemblyThe bridge was then transported in one piece by sea via the Suez Canal and the Mediterranean, through the English Channel and the Baltic to Stockholm where it arrived on March 11, 2020. The arrival was delayed several times due to bad weather. The transport takes place on the ship MS Zhen Hua 33, a semi-submersible transport ship. Especially the long sea voyage has been criticized for its climate impact. The fact that the contractor Skanska's climate compensation for the freight also receives criticism, because it does not reduce emissions here and now. On site in Stockholm, the ship will be lowered and the bridge, which is located on pontoons, will be towed in place between Stadsgrdsleden and Skeppsbron. Once in place, it will be mounted on prepared bridge pillars and is expected to open for traffic at the end of August 2020. The bridge is painted in gold-colored hue which, according to the architect, should help it blend into the delicate urban environment around Slussen, therefore the media called it the Gold Bridge.
AssemblyA classical view of PIC formation at the promoter involves the following steps: TATA binding protein (TBP, a subunit of TFIID) binds the promoter, creating a sharp bend in the promoter DNA. Animals have some TBP-related factors (TRF; TBPL1/TBPL2). They can replace TBP in some special contexts. TBP recruits TFIIA, then TFIIB, to the promoter. TFIIB recruits RNA polymerase II and TFIIF to the promoter. TFIIE joins the growing complex and recruits TFIIH which has protein kinase activity (phosphorylates RNA polymerase II within the CTD) and DNA helicase activity (unwinds DNA at promoter). It also recruits nucleotide-excision repair proteins. Subunits within TFIIH that have ATPase and helicase activity create negative superhelical tension in the DNA. Negative superhelical tension causes approximately one turn of DNA to unwind and form the transcription bubble. The template strand of the transcription bubble engages with the RNA polymerase II active site. RNA synthesis begins. After synthesis of 10 nucleotides of RNA, and an obligatory phase of several abortive transcription cycles, RNA polymerase II escapes the promoter region to transcribe the remainder of the gene.An alternative hypothesis of PIC assembly postulates the recruitment of a pre-assembled "RNA polymerase II holoenzyme" directly to the promoter (composed of all, or nearly all GTFs and RNA polymerase II and regulatory complexes), in a manner similar to the bacterial RNA polymerase (RNAP).— — — — — —Are toyota chinese assembled cars bad compared to japanese assembled car's quality?In general, the overall assembly quality of most Toyotas today has declined no matter where they have been assembled. A quick glance at any Corolla or Camry, or Sienna will show poor "fit and finish" on its interior. Usually when the fit and finish on any car is lacking in an automobile, the result is also usually poor quality mechanically as well, resulting in massive recalls. When a car maker has no pride in the way their car appears, and does not care about the way a customer FEELS as he or she looks across the interior when they get in it, it usually means other corners have been cut throughout the entire car. Unfortunately Toyota has left quality assembly slip in every area, on almost 100% of their models, resulting in the massive recalls on steering, brakes, accelerators, under-body rust, engine sludge, fuel lines leaking etc. Any Toyota you buy today, assembled anywhere will suffer from poor quality because Toyota no longer seems to care about how their cars look or drive. Nor do they want to hear about it from customers, instead blaming the defects on the customer who has paid them. If you want a good car, do not buy that one. It's a Toyota!— — — — — —Are some Assemblies of God churches cults?sounds like a troubled church leave it . Ive been to a few A O G churches and they were decent— — — — — —Why does my windshield wiper not return back to the rest position when turned off on my 1995 SL500 Mercedes?Try the switch first, and if that is not it, then it is the assembly— — — — — —2003 Yamaha 650 V Star won't startYour bike does NOT have an accelerator pumpMany carburetor based motorcycles do NOT come with accelerator pumps. An accelerator pump will squirt fuel into the intake when the throttle is used. Whether the bike is on or off.Here is a link to the parts assembly for the fuel system of your bike and an image. Notice that there is not piston to pump fuel as a component of the assembly. You can rule out that your bike was flooded by the grand child.Possible CausesThose are few things for you to investigate. If you discover more information, please post to your question and additional ideas can be derived from the data you have gathered attempting to troubleshoot.Best of luck— — — — — —How to get in shape if you're basically at point zero?I do not consider youngsters with unique demands can also be expelled. I recognize they can not in Florida and I consider that is beautiful common. They can also be suspended, however this can not be over a realistic 'risk' if the so known as risk used to be made through a youngster that has no suggestion that they have been honestly creating a risk. They may have an IEP or steady assembly involving the suspension and your pal demands to talk up approximately how she feels, do not permit the assembly simply cruise on through, he can not be suspended if she feels he's going to now not realise what he is performed. Like anyone else stated it demands to be in his IEP, it may be further and need to be further within the assembly. I do not have any suggestion approximately the would rama'. I consider the steady drawback maker used to be as much as their ancient tips. They clone money owed and reason drama, special customers equal tale
3d Printing: a Quick Guide
3d Printing: a Quick Guide
To understand the formation mechanism of the hierarchical structures, we focused attention on the borderlines between the core and clad regions. The core region denotes the region consisting of the intermediate region and the void. Such borderlines strongly suggest that the core and clad regions were formed based on distinct mechanisms. When femtosecond laser pulses are focused into AgNO solution without nanoparticles, multi-photon reduction of Ag ion is known to occur near the focal volume, resulting in Ag precipitation at the sizes similar to that of the laser spot34. In fact, similar results were obtained in our experiments on the solution without nanoparticles. In this case, line widths were obtained to be 2.0−3.8 μm (Fig. 6(b)). The slight discrepancy from the diffraction limit is caused by thermal reduction of Ag ion35. Considering that the core region of the hierarchical structure had a diameter similar to that of the laser spot and high Ag concentration, it is reasonable to suppose that the cores were generated by multi-photon reduction. Contrarily, the clad layer was positioned outside the laser focal spot. If such clad layers were formed based on thermal reduction of Ag ion or diffusion of radicals from the photo-reduction area, then the cross-section of the clad layers should have shown a continuous gradient of Ag concentration along the radial direction. However, since composition was clearly separated, diffusion processes must not be the predominant phenomena for clad layer formation. Therefore, increases of the cross-sectional area are likely to originate from deposition of nanoparticles onto the cores.Average inter-particle distance was estimated to be 80 nm in the solution with 0.81 wt% TiO . Considering that the nanoparticle diameter was 20 nm, the nanoparticle concentration was condensed simply by a factor of 64 (= 43) in the clad layers, suggesting that there was a mechanism that rapidly attracted nanoparticles from a relatively large space around the laser spot.Figure 7 illustrates a potential mechanism for the formation of the hierarchical structures. First, Ag microdots are precipitated near the laser focus by multi-photon reduction of Ag ion. Here, nanoparticles inside the focus are buried into the Ag dot matrix, resulting in composite microstructures being the cores. Highly repetitive laser pulses of 100 MHz induce local heat accumulation in these composites, leading to microbubble generation around the composite. Several groups have reported the assembly of nanomaterials using laser-induced microbubbles in solutions36,37. In their studies, nanomaterials were drawn to gas/liquid interfaces of the microbubble by the Marangoni convection flow, which was induced by surface tension gradients along the bubble surfaces and by capillary convection. It is likely that similar flow-based effects in our assembly phenomenon were driven by microbubbles around the heated Ag-based core. In such a case, the core should have enhanced heat generation as an effective photothermal converter.Based on the repetition rate of laser oscillator, the time interval between the laser pulses is estimated to be 10 ns, which is sufficiently shorter than the time required for heat to diffuse out of the focal spot (≈1 μs)38. Therefore, the core cannot return to room temperature before the next pulse arrives, leading to heat accumulation. Localised melting of oxide glass bulks with softening temperature exceeding 1000 °C was previously demonstrated by such photothermal conversion even at repetition rates less than 1 MHz39. The void and substrate deformation might be a trace of the local temperature increase of the core during irradiation. The transition temperature of the cover glass is approximately 550 °C. Therefore, it suggests that significant heating occurred locally at the interface of the Ag-based core and the substrate.To investigate the assembly behavior of the nanoparticles around the cores, laser irradiation to Ag islands was carried out. First, Ag islands of 3 μm diameters were fabricated by laser focusing onto the substrates in AgNO solution of 0.4 M without nanoparticles, i.e. merely multi-photon reduction. Then, the Ag islands were placed in SiO nanoparticle-dispersed solution without Ag ions, followed by laser irradiation at 30 mW for 6 ms without moving the laser focus. Here, the concentration of SiO nanoparticles was 0.80 wt%. Figure 6(c) is a SEM image of the Ag island after irradiation. It should be noted that ring-like microstructures, with small gap from the Ag island, comprising a number of SiO nanoparticles appeared around the island. In previous reports on nanomaterial assembly using laser-induced microbubbles, ring-like microstructures were formed after disappearance of the microbubble36,40,41. Such structures were caused by the aggregation of nanomaterials, drawn to the bubble-substrate interface by convection flow. The ring-like structures strongly suggest that similar bubble-based assembly phenomenon occurred around the locally heated Ag-based cores, which is consistent with the proposed mechanism. In addition, Ag islands were fully covered by nanoparticles like domes in case of solutions with higher concentration of SiO nanoparticles. The irradiation time of 5 ms, which is the minimum switching time of our setup, corresponds to that per point in a laser scanning speed of 400 μm/s with spot diameter of 2 μm. The details of the assembly behaviors such as nanoparticle concentration dependence are currently under investigation, and will be reported in the future.Dynamics of laser-induced vaper microbubbles around metallic heat sources have been reported by several groups42,43. These results show that the time for such bubble growth and shrinkage are approximately 10 ms, respectively. Convection develops with time delay (l^2/u ) where l is the characteristic size and v is the kinematic viscosity of the solution. Assuming that l is less than 100 μm, the time delay was estimated to be within 10 ms using v = 10−6 m2/s for H O.These results show that the assembly duration of nanoparticles, i.e., time difference between bubble lifetime and the time delay above, is considered to be relatively short (≈ several milliseconds). In contrast, flow speeds as high as 1 m/s were found to be generated in the vicinity of laser-induced microbubbles with a temperature difference of ∼300 K42. Such high-speed flow and unsteady convection flow might have significantly enhanced nanoparticle transport.One candidate mechanism is a laser-induced microassembly without microbubbles. Laser microdeposition of polymer molecules was previously reported to be induced by optical trapping of molecular aggregates followed by liquid surface deformation44. In this case, the temperature increase of the aggregates was estimated to be as small as 2.4 K. Therefore, microbubbles were not generated by this laser irradiation. Another group suggested that enhanced mass transfer of molecules by Marangoni convection played a crucial role for this microdeposition45. In this phenomenon, although laser irradiation promotes the collection of the dissolved molecules into the laser focus by the electric field intensity gradients and convection flow, the optically induced surface deformation of the liquid conversely hinders further molecule assembly because of liquid removal from the trapped aggregates. Such conflicting effects lead to the laser power dependence of the deposition volume with a parabolic curve44.The bubbles can remove the surrounding liquid from the laser focus, which is similar to liquid surface deformation mentioned above. Nevertheless, our assembly process exhibited an almost linear relationship between laser power and cross-sectional dimensions even at the writing condition where bubble generation was suggested (Fig. 6(a)). Such different behavior means that our assembly process is based on different mechanism, and that the microbubble around the core had a further role in addition to the removal of the solution. This result supports the proposed mechanism.A second candidate mechanism, nonlinear optical absorption, has allowed for direct interaction between laser and non-photosensitive materials31. When near-infrared femtosecond laser pulses are focused into SiO glasses, photochemical structural changes occur around the laser spot. However, laser peak intensities of approximately 1014 W/cm2 were required in such nonlinear optical processes in solids46. By contrast, the peak intensity was 8.0 × 1010 W/cm2 in our experiments, which was several orders of magnitude smaller to induce nonlinear absorption of solid-state materials. Indeed, no changes were observed when laser pulses were focused to TiO and SiO glasses in our irradiation conditions even for several minutes. Therefore, the nonlinear interactions between laser pulses and nanoparticles appear to be negligible.In the proposed mechanism, laser-induced microbubbles play an important role in assembly. Figure 8 illustrates changes in cross-sectional areas of the hierarchical structures for different C H OH/H O ratios in the solution. The example in Fig. 8 focuses on solution containing TiO nanoparticles, with the concentrations of AgNO and TiO kept constant in each solution. Latent heat of evaporation of C H OH (39 kJ/mol) was smaller than that of H O (44 kJ/mol), meaning that an increase in C H OH ratio promotes generation of microbubbles. Whereas core cross-sectional area plateaued at 15 μm2 with respect to C H OH ratio, the whole area markedly increased to more than four times larger than the size of the core. This behavior means that addition of C H OH enhanced nanoparticle deposition on cores of similar size. Such rapid growth can be understood as effectively promoting larger bubbles, which have longer bubble life time, in a C H OH-richer solution. Conversely, no precipitation was observed in case of the solution without C H OH. This is because the reduction of Ag ion as a trigger of the assembly was not induced, indicating that Ag precipitation is essential for the cladding of nanoparticles. Although the volume of the Ag-based core could be controlled mainly by the laser spot size, whole volume of the hierarchical structure was not always determined only by such photochemical process. We should pay attention to the condition for the microbubble generation such as temperature increase of the core for optimization of DLW.We also note that the void size tended to grow with increasing C H OH ratio. Microbubble generation results in isolation of the core from surrounding liquid. Higher concentration of C H OH apparently induced this isolation at an earlier stage of laser irradiation. Such heat insulation seems to have accelerated void formation, accompanied by temperature increase in the core. By means of this local temperature increase, the core seems to have been separated to two regions: the void and the intermediate region (Fig. 4(a)).The laser-induced bubble process, which does not require direct interaction with nanoparticles, allowed us to create fine structures of various materials. By providing a much wider range of material choice, DLW can be a powerful tool for truly functional device fabrication. In addition to such high versatility for DLW, nonlinear light-based controls of bottom-up assembly will provide new advances for nanoscience and future technology.if you are talking about the henry ford's assembly line innovation, you are talking about what?It was Henry Ford's ability to increase mass-production of the automobile
Disassembly of Surface Laptop: the Best Way to Repair Surface Laptop Is to Replace It
Disassembly of Surface Laptop: the Best Way to Repair Surface Laptop Is to Replace It
Last month, Microsoft's unusual use of surface laptop made many people see the dawn of replacing old MacBook Air. However, for those who intend to personally upgrade and replace accessories and extend the service life of surface laptop in the future, this is bad news. Ifixit's disassembly of the notebook shows that a large amount of glue is used, and the shell without any screw holes The hardware welded to the motherboard did not consider any maintenance at all.The disassembly team first turned over the bottom of the notebook to find a breakthrough under the four rubber foot pads, but the exposed piece of metal forced them to find another way.The Alcantara material on the C surface seems to be a good idea, but when trying to remove it, it encountered difficulties, resulting in an art knife. These people feel that they encountered the use of adhesive at the beginning. I'm afraid nothing good will happen next. This notebook will be taken apart and don't want to put it back.Pry open the metal shield of the wrist support of the surface laptop, remove its keyboard, and finally see the interior of the notebook. By the way, take a look at the keyboard. It is as difficult as the fabric on it. To remove it, you have to pry a protective cover on the motherboard to pull out the cable.In contrast, the touch panel on the keyboard is easier to remove. Remove the black tape and screw off the fixing screws with a screwdriver to remove the touch panel from the outside. There are two chips on the internal PCB of the touch board, the master of NXP mk22fn512 MCU and Synaptics s9101b (the same as that on the surface book).Looking back at the internal hardware of the notebook, the disassembly team wanted to remove the battery occupying half the space first, but after looking for a circle, they didn't find the battery cable, so they had to start from the motherboard first. First, remove the speaker, remove the antenna on the right side of the fuselage, and then remove the metal shield attached to the heat sink, and the motherboard will show its real body.However, under the condition that all hardware configurations have long been known, the chips on the motherboard must not look new: in the red box are core i7-7660u, in the orange box are four lpddr3 particles of SK Hynix, in the yellow box are Toshiba thnsnd256gta 256gb SSD, in the green box are Marvell avastar 88w8897 WiFi Bluetooth NFC three in one Wireless SoC Microsoft's display driver IC is in the water blue frame, and Nuvoton TPM chip is in the blue frame. There is also an NXP MCU on the back of the motherboard. All chips are directly welded on the motherboard, and there is no possibility of manual disassembly and replacement.After removing the motherboard, the 45.2wh battery was "disassembled" in a sense. There is also a heat conducting pipe on the back of the motherboard to help heat the core hardware of the notebook. Finally, the audio jack is a modular design, but there are too many destructive operations in the previous disassembly process, so there is no objection to its disassembly and replacement.After removing the hinge connecting the cable to the display, the ifixit team ended the self maintainability evaluation of the surface laptop and gave it a generous 0 point. We can conclude that this notebook is not only broken, but can only be sent for repair and replacement. When you buy it, you must be in place in one step. If you find that it is not enough after buying the beggar version, there will be no regret medicine to eat.
Assembly Manual for Palliser Children's Loft Bed Model # 552-229?
This Site Might Help You. RE: Assembly manual for Palliser Children's Loft Bed Model # 552-229? We bought a loft bed from Craigslist. It's a Palliser Furniture Children's Cabin Loft Bed Model # 552-229. I can't seem to find the manual anywhere online. The person sold it to us for $40 because of missing hardware (screws and ect.) and a missing manual. Is there anywhere I can find...1. What does ASSEMBLY stand for? Full Form of ASSEMBLYASSEMBLY Full Form | What does ASSEMBLY stand for? Find what does ASSEMBLY stand for and its field of usage ? is an abbreviation and acronyms dictionary. Full form of ASSEMBLY with definition and meaning are given below What is the full form of ASSEMBLY ? What does ASSEMBLY mean?2. How big of a factor will the new agriculture Bill prove to be for the NDA in Bihar Assembly Elections 2020?There was no agitation in Bihar of farmers over this bill. Even the people of the country are watching two things right now. That certain pockets of Punjab and Haryana farmers are angry. Even their oldest ally had distanced themselves from their decision. The farmers are agitated because of the MSP should be added to this bill. So the people of Bihar would see this as a sensitivity sharing. Whether this government is interested in sharing people's pain or not. We had seen people walking at the time of lockdown, how much sensitivity was shown by the people. So if the agitation continues in the other part of the country. The people of Bihar won't be ignoring these protests. They would see it as their people are fighting for some right. Even this protest can cost BJP in the by-polls of the MP. As this state had seen a lot of farmers' protests in the past. Even Congress got a few more seats than the BJP because they promised the loan waiver of the farmers in the MP. So things aren't good for the BJP in the coming Bihar elections.3. Assembly Language being used in Aircraft SystemI work on OBOGS, which is a component that gets plugged into various aircraft. We typically use C for the devices that fly, but looking through the historical files, there are a couple of assembly projects in there.It's fashion, honestly. Languages rise and fall. The reasons people use one or the other vary all over the place and are mostly subjective. I find it completely plausible that someone at some point argued that assembly was the right choice for some project somewhere entirely because it would have less errors than in any other language. And he was probably right, but that's because the guy did not know how to code in C worth a damn. By and far the best language for the job is the one you know. (And the best language for your personal growth is one you do not .)You can objectively say that assembly is closer to the hardware, less abstracted, more direct, with more instructions to the same thing in other languages. You can even say that it's in the realm of possibility that assembly can be written to cut out overhead and be smoking fast. If you know what you are doing. But as for error-prone-ness, speed of development, readability, and the ability to cure cancer? All that depends on the ability of the programmer and what they've worked in for the last 20 years. Measurements of which projects with which language have X amount of bugs are subject to sociological factors, largely making them worthless metrics. No, it's all just so much fashion.It's good to know what your code boils down to, so I am going to say that it's important to learn assembly. If only a little. But I would not write any avionics in it.4. Why do VMs not execute the assembly directly?Because of different architectures and a common format that can be adapted to the platform at hand.And possibly because of the vm code being less than comparable platform machine code if scripting language engine codes for garbage collection, hashes and stacks are also included that are referenced in.Oh and as mentioned: single byte bytecodes instead of more complicated byte or word codes, easier to design.
If Flame Sensor Will Affect Motor Assembly's Functionality of Furnace? How Does That Work? Closed
There is a chemical added to natural gas (ethyl mercaptan) so you can smell leaks. However, this chemical burns, otherwise you would smell it when using a gas stove -- so it will not warn you of a leak after combustion, which is where the Carbon Monoxide (CO) hazard exists.You should probably inform company B, and your home warranty company, that their technician seems to be giving advice that could get someone killed and get one or both of these companies sued.This doesn't necessarily mean company A was correct about there being a crack, or that company B was wrong about there being a dirty flame sensor. I'd suggest getting Yet Another technician in there to check both... or simply assuming that both problems exist and having both fixed; at worst, one of them will be good preventative maintenance.Closed. This question needs details or clarity. It is not currently accepting answers. Want to improve this question? Add details and clarify the problem by editing this post. Closed 5 years ago. Improve this questionI have two Air conditioning company. A is the self-hired for my A/C, and B is assigned by home warranty company.This summer, the technician with A came out for an annual maintenance on both A/C and Furnace. He stated on the report: "FOUND CRACK IN INDUCER MOTOR HOUSING. MOTOR ASSEMBLY SHOULD BE REPLACED BEFOREFURNACE IS STARTED TO AVOID POSSIBLE CO POISIONING."Then, I contacted B check out the furnace couple days ago. The technician with B stated "No worry, you will be easily smell it if there is any CO or gas leak. I don't smell anything. Flame sensor is too dirty that's what cause the issue "But I am confused... what does that to do with the Motor assembly... and how does motor assembly work?
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 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, 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
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