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Use a clamp ammeter with a small range to measure a current close to the full scale. Then, insert the circuit to be checked into the jaws. If the reading decreases, it means there is a short-circuited...[Details]
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The motor, also known as the "drive motor", is an electrical device that converts electrical energy into mechanical energy and can generate kinetic energy from mechanical energy to drive other devi...[Details]
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Circuit principle: The pin numbers of the common anode four-in-one 12-pin digital tube are: the digital side of the digital tube faces the observer, the lower left corner is the 1st pin, and the c...[Details]
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The United States has good intentions in suppressing Huawei. Not only is it willing to sacrifice its own reputation to do the job, but it is also trying to drag its allies into the fight. Unfortunate...[Details]
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1. Experimental tasks
Display a column on the 8X8LED dot matrix, let it move smoothly from left to right three times, then move smoothly from right to left three times, then move smoothly from to...[Details]
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Nowadays, people pay more and more attention to the quality of life, and living environment is the first step to ensure a good living environment. Exhaust fans can adjust the temperature and purify...[Details]
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Recently, a piece of news quickly spread in the circle of friends of IoT practitioners, saying that due to the Ministry of Industry and Information Technology's regulation of micro-power short-range ...[Details]
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Rockwell Automation's intelligent operation and maintenance Rockii solution empowers Nanjing Puyuan to be named "China's Top Ten Industrial Digital Transformation Enterprises in 2021"
(N...[Details]
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Code #include reg51.h #define uint unsigned int #define uchar unsigned char #define ulint unsigned long int sbit led=P0^0; char time=0; void delay(uint x) { uint i; for(i=0;i x;i++) ; } vo...[Details]
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A few weeks after the release of the Galaxy S22, many consumers complained about various problems, and Samsung officials have been slow to provide fixes. For example, earlier, some Galaxy S22 U...[Details]
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The Samsung Galaxy S21 FE phone is expected to be officially released during CES in January 2022. According to Korean media Ddaily, Samsung decided not to sell this phone in South Korea, but only...[Details]
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Currently, more and more home appliances are migrating from low-speed dial-up Internet access to broadband Internet access or Internet Protocol Television (IPTV), and IPTV is expected to develop ra...[Details]
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On the evening of November 12, SMIC released its Q3 financial report. According to the financial report, SMIC's revenue in Q3 was US$816.5 million, gross profit was US$170 million, and net profit was...[Details]
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According to news on June 12, Apple released the highly anticipated Vision Pro headset at its annual WWDC event last week. This device is equipped with powerful hardware and runs the visionOS system....[Details]
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Measuring the high-level and low-level resistance of the CAN bus (Controller Area Network) is an important task because they are crucial to ensure the normal communication of the CAN bus.
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