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Selecting the right microprocessor for a product is a daunting task. Not only must there be many technical considerations, but there are also commercial issues such as cost and delivery time that can...[Details]
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The first type of electric vehicle motor control solution is single motor dual voltage level, and the second type is dual (multi) motor dual voltage level. Although there are differences in such desi...[Details]
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The atmega328 accidentally set a lock bit, so it was not worth buying a parallel programmer. Making a programmer was a bit troublesome, so I made the most rudimentary programmer, which did not requir...[Details]
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This year, many foldable phones are about to be released. Huawei has already released its third-generation foldable phone, the Huawei Mate X2. New foldable phones from Google, Xiaomi, Samsung, ...[Details]
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On September 13,
CATL's
Tianxing (B) - Commercial Bus Version
Power Battery
was officially released.
"Since 2013, more than 385,000 buses have been equipped with CATL
...[Details]
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1. The principle of Hall device
The Hall effect is a magnetoelectric effect. When current passes through a metal foil, if a magnetic field is applied perpendicular to the current, a lateral potential...[Details]
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China's high-power IGBT (insulated gate bipolar transistor) module products have been localized! This not only breaks the situation that China has long relied on imports for high-end IGBT modules, bu...[Details]
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Constant current source expansion
Circuit
As shown in Figure 3, the operational amplifier works in an open-loop state. Since the voltage difference between the in-phase terminal and the inverting...[Details]
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A variable has a variable name, and after assigning a value to it, it has a variable value. The variable name and the variable value are two different concepts. The variable name corresponds to the ad...[Details]
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DC-compatible current transformers have long been used to sense AC current in smart meters, but they have some disadvantages and are expensive. For some applications, shunt resistors are a better c...[Details]
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P2.0~P2.2 are connected to independent buttons K0, K1, and K2 respectively. P1 is connected to 8 LEDs, which light up when the output is low level. Require: Press the K1 key, P1.7 outputs a square ...[Details]
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Usually, ARM chips have very little built-in memory. To run Linux, you need to expand the memory. ARM9 uses SDRAM memory for expanded memory, and ARM11 uses DDR SDRAM. Taking the S3C2440 with ARM9 cor...[Details]
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Intel today held the Intel® Data Innovation Summit and New Product Launch Conference online with the theme of "'Core' Storage, Far-reaching Intelligence, Stronger Intelligence". Intel announced the l...[Details]
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Assume that the single-chip microcomputer uses 8051, the external ROM is not expanded, and the external RAM uses a 6116. The program will sequentially connect the contents of the 10B starting from th...[Details]
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New energy storage is an important technology and basic equipment supporting the new power system, and plays an important role in promoting high-quality energy development, promoting energy structure ...[Details]
PCB Design
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