[i=s] This post was last edited by tiankai001 on 2018-2-11 10:49 [/i] [b]1. Power distribution lines for one-bedroom and one-living room houses [/b] [align=left][color=rgb(34, 34, 34)][font="]The powe...
I recently designed a buzzer, but I can't figure out some problems! I know there are many experts in our forum, so I'm here to ask for advice! I need to connect a seven-segment display to the back of ...
A few days ago, EEworld WeChat public account pushed an event [url=http://mp.weixin.qq.com/s?__biz=MjM5ODYyODM4Mg==&mid=211315529&idx=3&sn=fc0a267611bb494e60027581bdc1becb#rd][color=#ff0000]————>Click...
CalcToolBox 2 has been released. The new version of CalcToolBox 2 uses micropython as the calculator kernel and redesigns the program architecture, making it more convenient and practical.Main Feature...
Raspberry Pi itself is a miniature computer . People have been trying different ways to use it to realize a multifunctional computer. Today we bring you a Raspberry Pi handheld PC based on ESP32-S2, w...
With the promotion of the construction of intelligent communities in the country, anti-theft systems have become essential equipment for intelligent communities. Especially in recent years, the urg...[Details]
1 Introduction
A wide variety of communication cables and control cables are widely used in various instruments and control equipment. Whether the cable is well-conducted and
whether
th...[Details]
1 Introduction
The high temperature tester is mainly used for temperature tracking measurement and data acquisition during the heating process. By systematically analyzing the test data, the...[Details]
This article discusses how to wake up a touch-sensitive device such as a tablet without touching the device, using basic gesture recognition and novel proximity sensors. The article discusses the p...[Details]
Abstract: In order to generate a stable excitation signal, the design of a digital frequency synthesizer is implemented on FPGA using Verilog hardware language. The design includes accumulator, wav...[Details]
Battery life is critical for portable applications. For applications such as smoke detectors, security devices, and thermostats, factory-installed batteries need to last for more than 10 years. The...[Details]
0 Introduction
With the development of society, people pay more and more attention to security work. Monitoring products have been used in various fields instead of being used only in importan...[Details]
MediaTek (2454) announced the acquisition of F-MStar (3697) and attracted the attention of IC design industry. This morning, Gartner Semiconductor Industry Research Director Hong Cenwei analyzed ...[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]
1 Introduction
There have been many studies on the detection and protection of power grid short circuit and line fault. The short circuit, overload and overvoltage protectors on the market have ...[Details]
This controller uses PIC16C54 single-chip microcomputer as the controller, and it is very easy to use: just connect a telephone line to the loudspeaker through the controller, and you can rem...[Details]
Single-chip microcomputers are widely used because of their small size, powerful functions and low price. This article introduces the method of designing a micro electronic piano using the AT89C51 sin...[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]
We know that the inverter consists of two parts: the main circuit and the control circuit. Due to the nonlinearity of the main circuit (switching action), the inverter itself is a source of harmoni...[Details]