At present, the main failure form of electronic equipment is thermal failure. According to statistics, 55% of electronic equipment failures are caused by temperatures exceeding the specified value. As...
[size=4][color=#000000][backcolor=white]I used to know that microcontrollers are timers, state machines, and interrupts. The combination of these things is very efficient. But since I took over the de...
Comparison of three basic amplifier circuits1. The input impedance and output impedance range from tens of ohms to hundreds of kiloohms. What causes this? How to select the application based on the in...
Activity link: Free evaluation of Pengfeng Artix 7 FPGA development kitEvaluation summary ( updated on July 26, 2021 ):@cruelfox[Perf-V Evaluation] Development Board Circuit Analysis and Xilinx Softwa...
The smaller the ineffective loss, the better. Especially in some instrumentation industries, when selecting module power supplies, the standby power consumption of the module power supply is very high...
Apple officially released the iPhone 11 series early this morning. There are three mobile phones in the series. Since the upgrade did not exceed the expectations of the outside world, Chinese mobile ...[Details]
In simple buildings without access to 220 V mains electricity, an emitter-follower-based sound-and-light-controlled switch is used to control the operation of LED lighting. The method is simple, ea...[Details]
1 Introduction
With the development of science and technology and the improvement of automation level, automatic temperature monitoring has become one of the important measures taken by all wa...[Details]
I verified a digital tube program made by mega16 in the book and found that PORTC.2~5 could not output low level. There were no errors in the hardware circuit and software, but the digital tube driven...[Details]
There are so many kinds of DVR cards in the security field (video capture card) that many engineers and consumers, especially those who are new to the industry, have no idea where to start. The p...[Details]
With the rapid development of semiconductor technology and computer hardware and software technology, there are more and more ways to control the display of images. This article introduces a new me...[Details]
MathWorks announced the release of Release 2019b, which includes a range of new features for MATLAB and Simulink, including support for artificial intelligence, deep learning, and the automotive indu...[Details]
In digital communication, the bit error rate (BER) is an important indicator for measuring the quality of communication systems. Whether it is equipment failure, propagation fading, inter-code interfe...[Details]
1. Introduction
The European Union, the United States, Canada, and Taiwan, China, and many other countries and regions have issued policies and schedules to ban incandescent lamps. By 2012, a...[Details]
1.1 The HDDO-30 clamp meter multimeter calibration device (hereinafter referred to as the calibration device) is composed of a meter-source integrated AC/DC voltage and current standard source and t...[Details]
Taiwan's top two semiconductor silicon wafer manufacturers, GlobalWafers and Wafer Technology, simultaneously expressed pessimistic market conditions yesterday (25th), predicting that due to the incr...[Details]
1 Introduction
With the development of information technology and the enhancement of people's security awareness, electronic lock technology has developed rapidly. The electronic lock system ha...[Details]
I wrote the IIC program myself. Since I am a beginner, there are still some references. However, all the programs are hand-typed, and each line has detailed comments. The microcontroller source pro...[Details]
The difference between an absolute pressure measurement and an atmospheric pressure measurement is relatively easy to understand: In an atmospheric pressure measurement, the measured pressure is the ...[Details]
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