Powerline modems are devices that transmit signals based on power lines. They enable homes or small offices with the same circuit loop to build a local area network through existing power lines. For h...
I didn't pay attention to the heating problem of 2812 before.Now, when the 2812 runs at 150M,I accidentally touched the chip and found it was quite hot.I want to ask, is it true that the 2812 will not...
[i=s] This post was last edited by qwqwqw2088 on 2014-7-28 17:36 [/i] 1. Design topic: 12V battery step-down output 9V2A circuit. The circuit parameters are proposed as: input 10V-15V, output 9V2A 2. ...
My original intention is to use a server and a client to communicate with each other like socket programming, the only difference is that it is through a USB cable instead of a network cable. Please g...
Unipolar Isolated Power Factor Correction (PFC) ConverterOne of the main development trends of modern switching power supplies is to improve the power factor of the input end of the AC/DC converter an...
[i=s]This post was last edited by dontium on 2015-1-23 11:35[/i] [b][size=3]I haven't been to the forum for a long time. I apologize to Tangtang first. [/size][/b][size=3]I have been struggling with t...
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]
China's new energy vehicles are in a transition period from research and development to real industrial development. In 2012, with the intensive launch of new energy vehicle policy planning, the de...[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]
1 Introduction
With the acceleration of the pace of urban modernization, society has higher requirements for urban road lighting and urban lighting projects. The state has clearly required tha...[Details]
This paper designs a dot matrix LED text display screen that is easy to update, expandable, and low-cost. The way to reduce costs is
① Use the Bluetooth data transmission function of mobile ph...[Details]
From the PIC16F946 datasheet, we know that there are two ways to write values to the LCD for display:
1. Directly write the value to LCDDATA1~LCDDATA23
2. Use disconnect t...[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]
1. With the development of modern industry and the continuous improvement of automation, some medium and large control systems have been greatly facilitated, which not only makes control easier, bu...[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]
This week, Microsoft held its 2012 Microsoft Worldwide Partner Conference (WPC) in Toronto, Canada. At the conference, Microsoft showed its new products and services to partners around the world. A...[Details]
PV inverter manufacturer SMA has launched its first DC arc fault circuit interrupter (AFCI) PV inverter and has received UL certification.
The new SunnyBoy AFCI inverter models include 3000-US...[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]
General LED lighting has a current limiting resistor in the driving circuit, and the power consumed by the resistor has nothing to do with the LED light emission. In order to improve efficiency, a...[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]
The potentiometer is an adjustable electronic component. The main functions of the potentiometer in the circuit are as follows:
1. Used as a voltage divider
A potentiometer is a continuou...[Details]
DIY/Open Source Hardware
京公网安备 11010802033920号
EEWORLD
