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The spray rating tester is used to determine the surface wettability of fabrics. It consists of a metal frame allowing distilled water to be sprayed through a nozzle onto the specimen at 45° and 150 ...[Details]
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As time entered 2020, Chinese mobile phone manufacturers, which had always been doing well in the Indian market, unexpectedly discovered that India was no longer a fertile ground for development. ...[Details]
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Whether placed in a test setup or as part of a device under test, clock recovery plays an important role in making accurate test measurements. Since most gigabit communication systems are synchronous,...[Details]
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Circuit Function and Advantages
This circuit is a complete implementation of a low noise microwave fractional-N PLL with the ADF4156 as the core fractional-N PLL device. The PLL freque...[Details]
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Recently, I wrote an electronic clock based on AT89C51 microcontroller. It uses 6-digit 12-hour display and 6 common anode digital tubes. The specific functions are as follows: the first digital tube ...[Details]
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Recently, Shenzhen Kelu Electronic Technology Co., Ltd. (hereinafter referred to as "Kelu") has achieved great success in the US energy storage market. After successfully delivering the first p...[Details]
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stm32 HardFault_Handler debugging and problem finding method There are two main reasons why HardFault_Handler failure occurs in STM32: 1. Memory overflow or out-of-bounds access. This requires stand...[Details]
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Do you know your signal source and oscilloscope ? In the last issue, we mainly analyzed the basic concepts, functions and classifications of oscilloscope triggers. In this issue, we share the relatio...[Details]
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Abstract: This LED driver circuit includes a hysteretic controller U1 (MAX16820), associated power devices and a control circuit based on a quad op amp U2 (LMX324). U1 drives five HB LEDs from a 24V s...[Details]
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If the program has been verified, it uses the IO port of the AVR series microcontroller to simulate the PS2 protocol.
#include iom8v.h
#include macros.h
#include "myh.h"
//MOUSE
//时钟接CLK:5--INT0...[Details]
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The ultrasonic sensor technology used in the reversing obstacle detection system can detect nearby obstacles and provide the driver with reversing warning and assisted parking functions. The prin...[Details]
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1. Introduction
This control system is designed for a 120w intelligent fast voltage-stabilized power supply.
This fast charger is developed for troops working under field conditions, so it i...[Details]
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What is the difference between parallel and serial robots?
Parallel robots and serial robots are two common robot system structures, and there are some obvious differences between them in des...[Details]
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On March 30, with the lighting of the "State Grid Tianjin Company" logo on the Huawei cloud management page of the headquarters, it marked that Tianjin Power had completed the construction of the 8...[Details]
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How Cable TV Works
1. Introduction
2. Early cable TV systems
3. Adding channels
4. Programs on satellite
5. Use of fiber optic cables
...[Details]
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