Can you tell the difference between NMOS and PMOS on the schematic? :lolTo be honest, have you ever used discrete MOS?What parameters of MOS tubes do you know?This is very common on PC.Is the schemati...
The book "The Definitive Guide to Operational Amplifiers (4th Edition)" has arrived. I have read the electronic version of the third edition of the book before, and I feel that the book is very thick....
Should the frequency of the switching power supply output voltage be consistent with the switching frequency of the switching power supply chip? Should there be any fluctuations?...
Writing a new chapter in the SMT industry[Source: Modern Surface Mount Information] [Author: Yang Zhicong] [Time: 2006-5-19 8:59:51] [Click: 122]China 's largest and most influential international ele...
The first time I produced a remote control car, I encountered a problem that the remote control car motor rotated intermittently. The wheel rotated normally within a distance of 2 meters, but the whee...
Upload a CRC code generation program written in VB; The source code is as follows: 'CRC校验码生成Private Function CrcResult(ByVal Data As Long, ByVal Genpoly As Long, ByVal CrcData As Long) As LongDim n As...
Today, with the increasing integration of functions, mobile phones can also be used as portable media players (PMP), digital cameras, handheld computers (PDAs), and even global positioning systems ...[Details]
introduction
Throughout the history of automotive lighting, power has always played an important role. Initially, cars only needed headlights to see the road in the dark. Later, other light so...[Details]
System design is a complex process. It is not enough to just use ICs. There are many details to consider. This article uses a high-fidelity music playback system as an example to introduce how to s...[Details]
The data collector of the automatic weather station is generally designed based on a single-chip microcomputer or a PC/104 bus controller. It has the characteristics of good compatibility with PC, low...[Details]
Since the No. 4 blast furnace of Handan Iron and Steel was put into operation in 1993, its external equipment has been seriously aged, and the original PLC control system TDC3000 of the hot blast furn...[Details]
I've been studying dot matrix recently. It looks simple, but it takes a while to master it completely! The 8*8 dot matrix hardware circuit I'm making now is like this. The row is driven by 74HC138 + t...[Details]
Continuity test
A variety of devices need to be checked for continuity, including cable assemblies, printed circuit boards, and connectors to ensure that these components have the expected contin...[Details]
1. Overview
At present, an information revolution is in the ascendant around the world, led by microelectronics, computers and communication technologies, and centered on information technolog...[Details]
1 Introduction
With the improvement of people's quality of life, lamps are no longer just basic indoor lighting tools, but also a kind of practical art for architectural decoration. When ther...[Details]
System Overview
The system consists of a signal preprocessing circuit, a single-chip computer AT89C2051, a systematic LED display module, a serial port data storage circuit and system software...[Details]
In the "digital pressure measurement" experimental device of applied physics, the subject technical knowledge of analog circuits, digital circuits, sensors and single-chip microcomputers is used. In o...[Details]
The above is to use MB1404 as a stereo composite signal transmitter. You can use the internal high-frequency amplifier and oscillator or not! According to my experience, I still recommend beginners...[Details]
Overview
By transmitting ultrasonic energy into the human body and receiving and processing the returning reflected signals, phased array ultrasound systems can generate images of organs and s...[Details]
1 Introduction to LED
With the development of science and technology, people have higher and higher requirements on automobile light sources. LED (Light Emitting Diode) has gradually attracted...[Details]
Cars equipped with xenon headlights are already common on the road. Whether they are standard equipment on high-end cars or embellishments on modified cars, xenon lamps are gradually becoming a sym...[Details]