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In the example shown in Figure 1, a junior engineer used an oscilloscope all wrong. His first mistake was using an oscilloscope probe with a long ground lead; his second mistake was placing both the ...[Details]
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I just finished a few projects, so I want to record them and share with you. I have never worked on power supplies before. This project is my first. I have always worked on analog signals and high-sp...[Details]
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The influence of the closeness of the heat flow sensor and the object to be measured on the heat flow measurement accuracy: The closeness of the heat flow sensor and the object to be measured has a g...[Details]
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The high-bandwidth power analyzers on the market often have a low sampling rate, only half of the bandwidth or less. Is this really reasonable? Can the input signal be sampled reliably? Can such a ...[Details]
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At the input end of the AC power supply, generally three safety capacitors need to be added to suppress EMI conducted interference. The AC power input is divided into three terminals: live w...[Details]
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1 Introduction
According to the requirements and needs of users, this infrared remote control password lock system is designed mainly to solve the problem of no remote control password lock in the ...[Details]
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LED dot matrix electronic display screen is a large display screen system integrating microelectronics technology, computer technology and information processing technology. It has become an ideal ch...[Details]
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The 2021 Shanghai Auto Show is being held at the National Exhibition and Convention Center. Chuhang Technology exhibited its full range of automotive-grade millimeter-wave radar products for the firs...[Details]
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According to official news from Chengdu Hi-tech Zone, Foxconn's smart wearable project has settled in the zone. Chengdu Hi-tech Zone and Foxconn Technology Group signed a preliminary agreement, and F...[Details]
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To use a low-cost 32-bit processor, developers face two choices: processors based on the Cortex-M3 core or the ARM7TDMI core. How to make a choice? What are the selection criteria? This article mainly...[Details]
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IoT application solution providers can now easily change mobile network operators remotely with Avnet's new GSMA 3.2 eUICC (embedded universal integrated SIM) product family. Developed in conjunction...[Details]
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Multimeters have become an indispensable tool in the hands of electrical and electronic engineers because of their many functions and ease of use. However, if you want to give full play to its role...[Details]
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Wu Lianfeng, vice president and chief analyst of IDC China, delivered a speech on the new trends in data storage driven by digital transformation 2.0 at the 2019 Tsinghua Unigroup Western Data Summit...[Details]
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#include "bsp.h" /* RW = 1: Read data RW = 0 : Write data RS = 1: Data D0-D7 interacts with display RAM RS = 0: Data D0-D7 interacts with the instruction register E = 1: Reading a...[Details]
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No matter how varied the forms of power supplies and electronic products are, the core PCB layout and the combination of various components remain unchanged. Designing and building power electronic p...[Details]
DSP and ARM Processors
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