Electromagnetic Fields and Waves : https://training.eeworld.com.cn/course/4856Electromagnetic Fields and Electromagnetic Waves at Peking University, this video is taught by Gong Zhonglin and is a nati...
Regarding the development of uPSd3234 chip, I use an 80pin chip with external memory interface, and it also has main Flash and secondary Flash inside. I use Keil to develop. I configure P1 and P3 acco...
I used stm32 to send pwm to A3947 to control the stepper motor. I didn't use optocoupler isolation. I directly connected the GND of the microcontroller to the GND of the DC 24V, because I needed to us...
In embedded development, some basic skills are required. In fact, these skills are relatively low-level. First of all, you need to master a language, C. With C as a foundation, you are basically halfw...
The power factor correction (PFC) circuit and inverter circuit in telecom rectifiers and server power supply units (PSUs) need to detect the current signal on the high voltage side to the controller o...
Mainly through 1: lowering the system clock, there are three clocks to choose from. 2: lowering the system voltage 3.6v voltage but when programming the flash, the required voltage must be greater tha...
When analyzing the UART in ARM-Linux s3c2440, it is necessary to first understand the hardware knowledge of the serial port in s3c2440A. Hardware: The S3c2440A serial port provides three independen...[Details]
Hangshun Chip was founded at the end of 2013. It is a company jointly strategically created by the Chinese Academy of Sciences, Shenzhen Industrial Fund and China Aviation Industry Corporation. Focus...[Details]
In fact, it is the equivalent power of the high-voltage bus input system of the power plant, which is equal to the power delivered by the generator high-voltage bus minus the power loss of transfor...[Details]
Some sensitive smartphone users may be able to detect subtle differences in tactile feedback between iOS and Android mobile devices. The good news is that starting in the second half of 2021, Android...[Details]
Electric toothbrushes use the rapid rotation or vibration of the motor core to generate high-frequency vibrations in the brush head, instantly breaking down the toothpaste into fine foam to deeply ...[Details]
Google One is a consumer subscription service launched by search giant Google, which mainly provides cloud storage expansion (up to 100B) starting at as low as $1.99/month. Each Google account c...[Details]
Researchers used multiple microwave frequencies to characterize a nonlinear phononic mixing device built on a silicon wafer. Image credit: Sandia National Laboratories
According ...[Details]
The "high availability" of the UPS power supply system requires that the system must have four elements: reliability, functionality, maintainability and fault tolerance. The internal topology of th...[Details]
The power consumption of mobile devices has always been a problem that has troubled people. Now a small startup company called Wysips has come up with a more complete solution. Simply by covering t...[Details]
Introduction With the rapid development of society, smart communities have gradually entered people's lives, and the automatic meter reading system is one of the important functions of smart commu...[Details]
The GaN Nano II comes in three models: 30W, 45W, and 65W. According to Anker, the upgraded models increase charging speed by more than 20%. The GaN Nano II 30W charger is 59% smaller than the origi...[Details]
When I first started using MSP430, I encountered a problem when I burned the program into the development board. The BSL initialization always failed.
Consider the reason
1. Is the program for b...[Details]
The Bluetooth network topology configuration method invented by Jier Technology can automatically transfer the networking parameters and phase synchronization relationships used by the original commu...[Details]
1. Project Overview
1.1 Introduction
The oscilloscope has a history of more than 70 years since its birth in 1933. It is the main tool used by electronic circuit designers to observe waveforms,...[Details]
What are the components of an automotive motor controller?
The automotive motor controller is an important component that controls the operation of the automotive motor. It is usually composed...[Details]
Analog electronics
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