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The author made a DC emergency light using the tube of a scrapped 9W double "U" shaped energy-saving lamp and a cheap 12V AC/DC inverter board purchased from Zhengzhou Dongming Electronics Store. The ...[Details]
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DS's fatigue monitoring system combines a pair of infrared cameras with constantly updated vehicle positioning data and has been installed on the DS 7 Crossback model, which competes with the Audi...[Details]
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Recently, the Huawei WATCH 3 series has been upgraded! Customizable video dials, syncing local music on your phone, setting do not disturb time periods, water drinking reminders... Six practica...[Details]
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1. Why is it used? I have written an article before, "About the problem of CubeMX's serial port full-duplex receiving and sending being locked", which discussed the phenomenon that the STM32 serial...[Details]
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For chip giants, automobiles are a track that is difficult to give up.
This is not only because "automotive-grade" has always been one of the market segments with the highest entry barri...[Details]
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I have always wanted to make a smaller pre -driver , but I have not had the time. Recently, I finally made some time and made it. The length and width are 26*48 respectively, and it uses 0805 chips....[Details]
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TCL Electronics Holdings Limited ("TCL Electronics" or "the Company", 01070.HK) is pleased to announce today the sales volume of TV sets in the first quarter of 2019. The sales volume of TV sets in t...[Details]
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1. Introduction
This temperature control and display system is a closed-loop feedback control system. It uses a temperature sensor to amplify the detected temperature signal, and then sends ...[Details]
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On August 2, US President Trump threatened to impose a 10% tariff on the remaining $300 billion of Chinese goods starting September 1. Some analysts pointed out that since the iPhone is also included...[Details]
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1. Theoretical derivation 1. Principle of 6-pulse rectifier: 6-pulse refers to a full-bridge rectifier composed of 6 thyristors (SCRs) . Since 6 switching pulses control the 6 thyristors separat...[Details]
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Quietly, AI technology is bringing about increasingly clear changes in the times. Nowadays, we are used to face recognition and voice interaction in our daily lives. We know that all walks of life ...[Details]
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While everyone's attention is focused on the new generation of iPhones, Apple has also prepared updates for the new iPads, but they may start updating in October this year. According to the l...[Details]
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When analyzing a circuit diagram, we should follow the idea and method of going from the whole to the part, from input to output, breaking the whole into parts and then combining the parts into the...[Details]
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Main uses and scope of application Dust concentration sensors are widely used in the continuous monitoring of total dust in the workplace in working environments where there are flammable and explosi...[Details]
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Later, I accidentally came into contact with the embedded microcontroller, and when I used the program to light up the first LED, it was exciting and satisfying. I feel that what I have learned is fi...[Details]
Microcontroller MCU
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