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In the circuit, C1, C2, C3, C4, and C5 are all capacitors, R1, R2, and R3 are all resistors, VT1 and VT2 are triodes, and VD1 and VD2 are diodes. ZX7-315 arc welding power supply circuit diagram :
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Since the norflash of the development board I bought was broken, and the board only had nandflash left, I still wanted to play with the development board, so I started my naked running and began to u...[Details]
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The system clock is the default HSI frequency of 8MHz! This will affect the counting frequency of the timer, so you need to know this frequency to ensure that you can control the frequency of the PWM...[Details]
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The test program and Makefile are the same as the previous experiment. Here we only need to record the source code of the driver. The changes are not big. We just move the operations of waking up the...[Details]
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1 Introduction
All users are very concerned about the long-term reliability of products. As we all know, reliability is an important indicator of product quality. Especially for special p...[Details]
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According to the production data of the Ministry of Industry and Information Technology's certificates of conformity, the production of new energy passenger vehicles in June 2019 was 112,000 units, a...[Details]
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A solar cell unit produced by Kyoto Institute of Technology in Japan. Co is added to the p-type GaN film and n-type materials are stacked. The size of the cell unit with the absorption layer is 10 ...[Details]
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In a typical wireless system, field engineers and technicians often face a variety of system components, including antennas, cables, filters, multiplexers, amplifiers, isolators, circulators, switc...[Details]
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Alibaba recently announced its self-developed NFC technology (near field communication), which extends the sensing distance of traditional near-field communication in any direction from 20 centimeter...[Details]
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File name: flash_led.c
File Description: Flowing Light C Program
Date of writing: October 5, 2006
Program description: MCU uses AT...[Details]
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2-1-1-8. Analysis of hysteresis loss in switching power supply transformer
Due to the magnetic coercive force of the transformer core, when the magnetic field generated by the excitation c...[Details]
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When programming with MDK, if there is a useful function that you define but do not explicitly call, MDK will delete this function from the entire program by default to save ROM. For example, you l...[Details]
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Cloud computing is the translation of the English word Cloud Computing, which only appeared in Chinese in early 2008. Dell was the first to propose Cloud Computing at the enterprise level, but the ...[Details]
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Recently, the Minister of Industry and Information Technology stated at the 2019 World VR Industry Conference that China is one of the regions with active innovation and entrepreneurship in the g...[Details]
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On October 31, Zeekr Energy announced that it had successfully obtained the qualification of a virtual power plant aggregator in Shenzhen, marking the company's official entry into the Shenzhen vir...[Details]
Test/Measurement
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