I have an AMD fan that I don't use. I want to use it as a motor. The fan has 4 wires. What are they? Is the AMD fan a three-phase asynchronous motor? How do I make it rotate? What is its load capacity...
The principle and production system of electronic ballast briefly introduces its principle and application! Very good, there are not many books on this subject!...
[Nucleo experience] + Practical peripheral I2C interface reads TMP275 stm32cubel0 routine is very detailed, and the different working states of the same peripheral are classified one by one!Different ...
[Abstract] Due to the successive introduction of 3G, Basel II and RFID, the amount of information will surge 10 times in the next five years, and the IT department will no longer be the competent depa...
//pcf8591 implements the AD conversion of a potentiometer and displays it through a digital tube; two buttons control the work and stop;The problem encountered is: it can start working normally, but t...
Today's computer peripherals are pursuing high speed and high versatility. In order to meet user needs, seven companies led by Intel launched the USB (Universal Serial Bus) bus protocol in 1994, wh...[Details]
At present, the traffic congestion in cities is quite serious. According to relevant news reports: In China, the traffic congestion has expanded from megacities such as Beijing, Shanghai, and Guang...[Details]
I. Introduction
In the field of power conversion, isolated converters (forward, flyback, and double-ended) with low output DC voltage all use MOSFET as the rectifier device. Since these devi...[Details]
The solidification and modularization of intelligent video analysis algorithms are the current trends in the application of intelligent video analysis technology. It perfectly combines intelligent ...[Details]
Current
measurement:
Magnetic balance Hall current
sensor
is used
. The sensor can measure AC from DC to 100kHz.
In automatic measurement and control systems, it is often nec...[Details]
In the TV monitoring system, in order to complete the collection of information from various information points (video, audio, alarm signal) and the control of various front-end devices (PTZ, lens,...[Details]
UDN2916LB is a two-phase stepper motor bipolar driver integrated circuit launched by SANKEN. It can drive dual-winding bipolar stepper motors and is particularly suitable for controlling dual-step ...[Details]
In the development direction of the automotive industry, electric vehicles (EV) and hybrid electric vehicles (HEV) are becoming an obvious trend. From a technical point of view, hybrid power is mor...[Details]
1 Overview
As a driving power source, the new battery has a range of more than 200 km within the acceptable weight range of the mass market, which provides an important way for power batteries...[Details]
At present, single-chip microcomputers have been widely used in home appliances, medical treatment, instrumentation, industrial automation, aerospace and other fields. The more popular types of sin...[Details]
The Challenge:
Providing a flexible, powerful robotics design platform
to more than 40,000 high school students participating in the FIRST
Robotics
Competition (FRC).
The So...[Details]
Hollysys' LM series PLC products fully consider the difficulties in integrating machines, equipment and subsystems in large control systems, and provide a variety of open communication protocols and i...[Details]
Central topic:
Basic concepts of GSM mobile phones.
Considerations in design and debugging of mobile phone power amplifiers. Considerations in mass production testing of mobile ...[Details]
1. Encryption principle description
The LPC2100 series ARM7 microcontroller is the world's first ARM chip that can be encrypted. The method of encrypting it is to set the specified d...[Details]
In recent years, information technology based on microelectronics and computer technology has developed rapidly, and ultrasonic non-destructive testing instruments have also gained unpreceden...[Details]