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NodeMCU is an open source hardware platform suitable for prototyping and functional verification of IoT applications. Using Lua as the development language, networking and other functions can be achi...[Details]
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Use the AC current range of a digital multimeter to accurately measure the working voltage of the two wires to ground: the working voltage of the live wire and the neutral wire to ground will be clos...[Details]
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The frequency synthesis signal source is a high-performance signal generator, but its high price makes it out of reach for general electronics enthusiasts. This article introduces a low-cost frequency...[Details]
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Remote magnetic float level gauges should be relatively unfamiliar to those who are not familiar with them. However, they are widely used in the field of level measurement, playing an important role ...[Details]
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The fuse blew out immediately when the TV was turned on. After soldering off the power wave capacitor on the TV, the fuse did not burn out when the power was turned on again. When the capacitor was t...[Details]
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Recently, some foreign netizens exposed the detailed configuration list of Huawei Mate 30 Pro, which is basically the same as the rumors. According to leaks, Huawei Mate 30 Pro has a 6.6 (rounded c...[Details]
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(I) Background Introduction In traditional embedded system software, the method to implement the Delay(N) function is usually: for(i=0;i =x;i++); x--; The loop value corresponding to N milliseconds ...[Details]
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Recently, I was debugging 1768 and an external byte access memory. I didn't understand the storage format of the structure type in RAM, so I didn't know where the bug was. I took a good look today an...[Details]
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On December 22-23, at the 2021 China Integrated Circuit Design Industry Annual Conference and Wuxi Integrated Circuit Industry Innovation and Development Summit Forum (ICCAD 2021), Dr. Yang Yi, Gener...[Details]
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The full-bridge structure plays a very wide role in circuit design. This article introduces an isolated power supply design based on full-bridge DC-DC. The half-bridge IGBT board mentioned in the art...[Details]
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With the increasing popularity of new energy vehicles, the development of major new energy vehicle industries is booming. It is not an exaggeration to say that it is the future direction of the hotte...[Details]
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It is reported that the number of confirmed cases in India has climbed to 9,152, and the domestic death toll has reached 308. Due to the rapid increase in confirmed cases, Indian Prime Minister Modi ...[Details]
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The United States is about to completely ban the sale of novel flavored e-cigarettes! A complete ban on the sale of novel flavored e-cigarettes US President Trump met with the heads of the US D...[Details]
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Introduction: Introduction: This chapter introduces the hardware connection and usage of some basic modules of Changxue multifunctional 51 experimental box. 1) Browse the hardware test instructions 2...[Details]
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Test products: Car audio and video monitoring board and 24V power board
Leimao laboratory temperature and humidity: 26 degrees, 61%
Test standards: static electricity, surge, load d...[Details]