It's another electronics competition year. I was training at school and made a module using the VCA822 chip. It got hot at first when it was powered on, but I solved this problem later. However, the i...
[align=center][size=5][b][font=宋体]Recommendation of Classic Materials on Software Testing (VI)[/font][font=Times New Roman]--[/font][color=rgb(0, 0, 0)][backcolor=rgb(237, 235, 235)][font=微软雅黑]Softwar...
This is a simple 51 MCU problem, it's a bit puzzling, can you help me figure out where the problem is? The MCU is from Saiyuan, it was working fine some time ago, but it has this problem again today, ...
Does anyone have a design to send GPS positioning data by SMS using a single-chip microcomputer to control a GSM module, or something similar? Urgent need. I would be grateful if you have any. Please ...
[size=4]1. The power limiter automatically limits its output power: [/size] [size=4] [/size] [size=4] A voltage feedforward network and a current waveform setting network are connected between the ind...
Can someone give me a PCB diagram of a PWM controlled DC motor? It would be best if I could give a schematic diagram and a program schematic diagram or something?...
0. Introduction
In daily life, we often see some special-purpose vehicles. When these vehicles pass through intersections, they often obtain the right of way at intersections by temporarily op...[Details]
All electronic design engineers and scientists have performed electrical signal analysis, or signal analysis for short. Through this basic measurement, they can gain insight into signal details and...[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]
1. Introduction
At present, most lighting equipment still uses traditional energy for lighting. Making full use of solar energy as the energy supply for lighting equipment is of great si...[Details]
Overview:
This paper introduces a method of connecting a CAN-bus network with Ethernet to form a medium-sized remote monitoring/data transmission network.
CAN (Controller Area Network) is ...[Details]
The automotive lighting and signal control system is responsible for controlling the vehicle's lighting, signal lights, electric horns, reversing and brake buzzers. Traditional automotive lighting...[Details]
The typical fault troubleshooting listed below is for reference of maintenance personnel.
When the computer is turned on, the indicator light is off and there is no screen display
Mainte...[Details]
Many battery-powered systems require a visual indicator to show when the battery needs to be replaced. LEDs are commonly used for this purpose, but they consume at least 10mA of current. This con...[Details]
The concept of state machine
State machine is an important concept in software programming. More important than this concept is its flexible application. In a clear and efficient program, ther...[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]
In today's body control module (BCM) designs, savvy engineers are moving away from electromechanical relays whenever possible. Their next step is to eliminate fuses. But is eliminating fuses a nece...[Details]
Since AC mains power may experience power outages, voltage sags and surges, continuous undervoltage and overvoltage, and frequency fluctuations during supply, these factors will affect the continuous ...[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]
People who often surf the Internet until late at night, their families always complain that turning on the big lights in the living room affects their rest, but some people don't have keyboard ligh...[Details]
LED is now known as the fourth generation of light sources. High-power LED has many advantages over traditional light sources in outdoor lighting.
1 LED lamps have high light efficiency
C...[Details]