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For some reason, Youshan Company has not released a good u-boot. We have ported the 2008.10 version of u-boot before, and recently, we ported the 2009.08 version of u-boot.
After the transplan...[Details]
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LED series connection For example, when driving 28 LEDs, there are six possible connection methods. One is to first connect 14 LEDs in series (LED string) and then connect two of these series-co...[Details]
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/************************************************************** **Four-phase stepper motor drive example, wiring with LPC2148 core board is as follows** **P1.16--------------In1** **P1.17------------...[Details]
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AC/DC power supplies
with output power below 100W
usually use a flyback topology. This
power supply
is low-cost and can provide multiple output tracking using a single
controller...[Details]
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With the development of the current instrumentation industry, the metal tube float flowmeter has become a commonly used flow measurement instrument in industrial automation process control because of...[Details]
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Summer is here, the weather is getting hotter and hotter, and most people will turn on the air conditioner when they drive on the road. At the same time, summer is also the peak period for car air co...[Details]
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There have been reports that the new iPhone may support handwriting input. Now it seems that Apple is working hard to promote the launch of this new feature. According to the latest news, Apple is ve...[Details]
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introduction
The increasing complexity of
electronic
products undoubtedly brings great challenges to test engineers. Many devices under test (DUT) require more complex test methods, ...[Details]
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Recently, Qinghai Green Power Generation Group Co., Ltd. announced the bidding results. The winners are Qinghai State Investment Group and GCL Group Delingha Photovoltaic Power Generation Applicati...[Details]
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For several years now, Apple's own A-series chipsets have dominated the smartphone performance charts. If you were hoping to see the A14 Bionic running in the iPhone 12 series being stomped by ...[Details]
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TTL gate circuits with other functions
1. Open collector NAND gate (OC gate)
1. Working principle of OC gate
2.
Application of OC gate
2. AND/NOR gate
3. Three-state output gate (TSL gate)
...[Details]
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In March 2021, STMicroelectronics (ST) announced the launch of STM32U5. In September, the first batch of STM32U5 models were officially put into mass production. This also means that ST has launche...[Details]
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When we learn STM32, the function assert_param is very likely to appear. If you search online, you will find that the assertion mechanism is generally explained online and is used during the program ...[Details]
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The global automotive industry is undergoing a profound transformation. According to the International Energy Agency (IEA), the number of pure electric vehicles (BEV) on the road worldwide will reach...[Details]
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The function of the drive circuit is to amplify the pulse output by the microcontroller to drive the IGBT and ensure the reliable operation of the IGBT. The drive circuit plays a vital role. The basi...[Details]
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