H2009FNL

On November 23, Ningbo Runhua Quanxin Microelectronics Equipment Co., Ltd. (hereinafter referred to as "Quanxin Microelectronics") underwent industrial and commercial changes and added a new sharehol...[Details]

0 Introduction 　　Multi-point temperature measurement systems are widely used in the industrial field and national production. For example, in the chemical industry, it is often necessary to detect ...[Details]

In the last EV Focus column, we talked about why electric vehicles need to use 800V, and also roughly understood the relationship between SiC and 800V. In this issue, we will zoom in and talk about...[Details]

Liquid level sensor is a commonly used measuring instrument, which is widely used in many industries such as industry, chemical industry, machine tool, electronics and electric power. Summer is coming...[Details]

On the eve of the Spring Festival, many industrial robot companies released their 2023 financial report forecasts. After experiencing the critical period of economic recovery in 2023, the p...[Details]

Oscilloscopes, like other instruments (such as multimeters, etc.), must be calibrated before use. The so-called calibration of an oscilloscope is to correctly debug the original waveform of the oscil...[Details]

A megger, also called a megohmmeter, is a professional measuring tool used to measure insulation resistance, so it is also called an "insulation resistance meter". In the work, its frequency of use i...[Details]

According to the working principle of PWM rectifier circuit, the PWM rectifier control mode is analyzed, and the hysteresis current control mode is adopted. The voltage type PWM rectifier double clos...[Details]

"We chose Seeker because testers and developers don't need to invest a lot of time or have very specialized knowledge to perform security testing tasks regularly," said the Chief Information Security...[Details]

The current at the input end of the inverter is generally smaller than the current at the output end of the inverter. There are three main reasons: 1. Operating frequency When the i...[Details]

NXP's SSL2103 is a multi-purpose AC/DC LED lighting controller for dimmable LED lighting. It has a wider power range and better dimming compatibility, making it suitable for dimmable and non-dimma...[Details]

#include reg52.h                 #include "i2c.h" #include "delay.h" #include "display.h" #include "math.h" #define uchar unsigned char #define uint unsigned int #define AddWr 0x90 //Write data addre...[Details]

I remember when I was in high school, it was the time when smartphones were transitioning from Symbian to Android and iOS. At that time, my father gave me my first mobile phone in my life - Huawei U8...[Details]

When it comes to accelerometer sensors, people tend to think of high prices and their traditional application field - high-end cars. Indeed, due to their specific working principles and comple...[Details]

————————— renew: It should be noted that when calling the cJSON_Print function to convert the JSON body into a string, memory will be allocated. After the conversion, the cJSON_free function needs to...[Details]