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Figure 1 Figure 1 is a forward and reverse circuit with star-delta starting, that is, the motor starts with star-delta voltage reduction when it rotates forward, and also starts with star-delta vol...[Details]
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Coating thickness gauges, as the name implies, are used to measure the coating or plating on a material or other different types of substances. Commonly used thickness gauges are divided into two typ...[Details]
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Jiwei.com reported on April 19 that CITIC Securities pointed out in its latest research report that looking ahead to the whole year, Xiaomi's smartphone shipments are expected to exceed 200 million u...[Details]
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The inverter introduced in this article (see Figure 1) is mainly composed of MOS field effect tubes and ordinary power transformers. Its output power depends on the power of the MOS field effect tube...[Details]
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I have been debugging the RTC part of STM32 these two days. I originally planned to make a perpetual calendar, but now it seems that it cannot be realized for the time being. Why do I say this? Becaus...[Details]
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The transistor 2N797
used as a diode
is a germanium tube, while
the 2N2222
is a silicon tube. Its reference voltage is generated by the bandgap voltage difference of the two tub...[Details]
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Tachometer generator
A tachometer generator is a miniature generator that measures rotational speed. It converts the input mechanical rotational speed into a voltage signal output and...[Details]
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In the early days of automotive applications, only electronic clocks were electronic parts that were turned on for a long time. However, over the years, automakers have continuously installed new e...[Details]
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The project is about the realization of robot control. The control part uses PICl6F7X series microcontroller, which is programmed in assembly language. It runs fast and can meet the requirements of...[Details]
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High-voltage floating signal measurement is a very important test task and is often used in power systems, electrical equipment and high-voltage occasions. When measuring high-voltage floating signal...[Details]
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According to the official website of the Ministry of Industry and Information Technology, on December 21 and 27, Liu Liehong, Vice Minister of the Ministry of Industry and Information Technology, att...[Details]
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Circuit boards have become an important part of today's electronic products. With the development of electronic technology and printed circuit board manufacturing technology, modern electronic prod...[Details]
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Many electronic designers know the role of filter capacitors in power supplies, but the filter capacitors used at the output end of switching power supplies are not the same as those used in indu...[Details]
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Wearable devices have recently become the focus of the industry. First, Google launched Google Glass and commercialized it; then Apple, Google, Sony, Samsung, etc. developed various wearable watches....[Details]
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In the future, cars will be a more powerful social space than mobile phones, integrating multiple services such as travel, entertainment, social interaction and office work into one
intelligent...[Details]