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Simple DC motor PWM speed control circuit The 555 is ubiquitous and can be used as simple PWM speed control Circuit Explaination: The 555 Ic is wired as an astab...[Details]

 According to comprehensive reports from Taiwan media, although Huawei HiSilicon's 5nm chip foundry completed concentrated deliveries in the first three quarters, with the relay of the seven giants i...[Details]

Abstract In the actual application of electric vehicle power batteries, long-term actual road condition tests are required, which have long experimental cycles, complicated processes, and high cost...[Details]

The digital output of the iSensor® dual-axis inclinometer ADIS16209 (Figure A) is proportional to the rotation angle of a plane parallel to the direction of gravity (vertical mode) within a range o...[Details]

After the first round of reshuffle, LeTV and Baofeng, which were once very popular, gradually disappeared from people's sight along with their founders. 　　 Jia Yueting, nicknamed Accountant Jia, went...[Details]

ACDC switching power supply has an important technical parameter - power-off holding time, which refers to the time difference ⊿t from AC power off to the output voltage dropping outside the accuracy...[Details]

The inversion method is used to determine the key coordinates, that is, the row number and column number are used to obtain the key code. After writing it, I found a problem with Proteus: when I di...[Details]

Preface:  1. To learn STM32 interrupts, you must first understand STM32's definition of priority;  2. Experience in 51 MCU development will make it easier to understand interrupt priorities;  3. This...[Details]

　　 The emergence of LED electronic display screens not only brings great convenience to our lives, but also adds color to the city. With the continuous improvement of LED display technology, the des...[Details]

1 overview 1.1 Purpose This document is used to describe the TaskSchedule periodic task scheduling module software of the Qidian development board. It is not limited to the realization of hardware ...[Details]

Abstract: This paper introduces a design scheme of a 5V/120A LED display screen power supply, briefly describes the application of lossless absorption technology and primary current synthesis techn...[Details]

What is it like to have 1 millisecond torque adjustment capability? Look at the Huawei DriveONE iTRACK equipped with Avita Judging from the current results, Huawei has built its core advantages in ...[Details]

Recently, Oriental Crystal Source held a ceremony to launch the first critical dimension measurement equipment (CD-SEM) in China, officially announcing that it had won the order and would ship the eq...[Details]

Tesla is trying to deliver a record number of vehicles this quarter, but deliveries remain a bottleneck due to a surge in orders at the end of the quarter.   In recent weeks, Tesla CEO Elon Musk has ...[Details]

With the rapid development of power electronics technology, DC power supply is widely used, and its quality directly affects the working performance of electrical equipment or control systems. DC r...[Details]