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Resistors are the most commonly used components, especially color ring resistors, which are really everywhere. How to identify color ring resistors has become a difficult problem. Here we will intr...[Details]
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Schematic diagram of charger circuit with dual closed-loop control
This charger is specially designed for electric bicycle batteries. It rectifies the AC power and uses IGBT to adjust the voltag...[Details]
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Recently, Huawei officially released the "Huawei Core Network Autonomous Driving Network White Paper", which was the first in the industry to propose the concept, goals and architecture of the 5...[Details]
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The USB digital audio chip supports up to 768Khz/DS512, low power consumption, high performance, good compatibility, and Hi-res high-definition audio decoding.
CT7601 USB digital audio c...[Details]
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introduction
There are many applications today that often require high resolution in analog-to-digital converters, rather than high accuracy, which has led to the need for sigma-delta analog-t...[Details]
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Recently, the repair organization iFixit disassembled Samsung’s latest flagship mobile phones Galaxy S22 and S22 Ultra, showing the internal structure of the new phones. Galaxy S22 Ultra (le...[Details]
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While improving the anti-interference ability of hardware systems, software anti-interference has been increasingly valued for its flexible design, saving hardware resources and good reliability. Ta...[Details]
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Today, Lu Weibing, Vice President of Xiaomi Group, President of China, and General Manager of Redmi Brand, wrote an article explaining why MEMC was used in the Redmi Smart TV X series. Lu Weibing sai...[Details]
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Hardware environment: stm32f103vet6, JLink_v8
Software environment: Keil_MDK
Debugging process:
First, you need to connect the lines. Using JLink_v8 requires connecting 5 lines, namely VCC, nJTRS...[Details]
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SpaceChain announced that its blockchain hardware wallet technology has been launched aboard the ISS aboard a SpaceX Falcon 9 rocket from Kennedy Space Center as part of the CRS-19 commercial resuppl...[Details]
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Introduction: This article discusses the solution of intelligent LED emergency brake light based on ATmega8L, briefly introduces the various hardware modules of the system, uses interrupt control to ...[Details]
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Data released by the China Automotive Power Battery Industry Innovation Alliance showed that my country's power battery production in September was 23.2GWh, of which lithium iron phosphate battery pr...[Details]
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On September 3, the Shenzhen Power Supply Bureau of the State Grid Corporation of China and Huawei Technologies Co., Ltd. held a Digital Grid Innovation Technology and Application Summit and a pres...[Details]
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When answering questions for some MCU beginners, I found a phenomenon. Perhaps because of the influence of learning C programming on computers, many people would write programs like this: view pl...[Details]
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1. Why do we need DMA?
First, let's look at the serial port to transmit information: sending strings.
Send function: Add the following send function in uart.c:
Next c...[Details]