RWR81S4420BSB12

In what cases does the inverter need to be equipped with a braking resistor? The inverter is equipped with a braking resistor mainly to consume part of the energy on the DC bus capacitor throu...[Details]

Capacitance refers to the amount of charge stored under a given potential difference; it is denoted by C and its international unit is Farad (F). Generally speaking, charges move under force in an ...[Details]

The role of stepper motor A stepper motor is an electric motor that runs at a fixed angle. Its main function is to control the movement of mechanical systems such as positioning, rotation, and...[Details]

Introduction to the pin functions of 8051 microcontroller First, let's connect the pin diagram of the microcontroller. If, the specific functions are introduced below. The 40 pins of a microcontrol...[Details]

A signal generator is a device that provides electrical signals of various frequencies, waveforms and output levels. It is used as a signal source or excitation source for testing when measuring the ...[Details]

      According to the latest renderings released by whistleblower Ian Zelbo, the iPhone 14 Pro may have a significantly more rounded body to match the larger rear camera module. 　　Zelbo often crea...[Details]

Electronic components and equipment manufacturer Advocate announced on July 7 that it will launch a completely fanless residential photovoltaic inverter (PCS) on July 13, including the terminal b...[Details]

Electronic devices implanted into living bodies can be soft and warm. The reporter learned from the School of Engineering of Westlake University that the team of Zhou Nanjia, a specially appointed re...[Details]

1. System Solution The mobile phone APP controls four relays through the ESP8266 WIFI module and the 51 single-chip microcomputer. The lower computer consists of the single-chip microcomputer, ESP826...[Details]

Design of Modulation Module for Power Line Carrier Spread Spectrum Communication Usually the demodulation circuit of the spread spectrum communication system is very complicated. In order ...[Details]

The basic framework is written according to the program in Guo Tianxiang's Lesson 8, but when fading in, the instruction Guo used is write_com(0x18); But when I used it, it just didn't show up, so ...[Details]

;The main program displays eight-bit running lights; ;External interrupt 0: the left and right four digits flash three times; ;External interrupt 1: Each bit flashes three times at intervals. ;The ...[Details]

      Sina Digital News reported on the evening of July 21 that Apple released its 2020 Environmental Progress Report. In the report, Apple stated that it has achieved carbon neutrality in its operat...[Details]

During the power supply design process, engineers will encounter a series of headaches. For example, thunderstorms damage many electronic devices. After experiencing the damage of electronic devices ...[Details]

Installation package: MPlayer-1.0rc2.tar.bz2 Cross compiler: arm-linux-gcc-4.5.1 Unpack MPlayer-1.0rc2.tar.bz2: tar –xjvf MPlayer-1.0rc2.tar.bz2 Enter the unzipped file MPla...[Details]