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...
In early 2002, I started to write a working program for an IC card prepaid electricity meter. The meter used Philips' 8-bit 51-expanded single-chip microcomputer
87LPC764
, and wa...[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
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]
As cellular phones become more advanced, the power consumption of the system during operation and the power consumption during standby are also increasing. Therefore, the power management design of...[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]
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]
On the afternoon of July 10, Beijing time, Taiwan's largest chip designer MediaTek expects its smartphone chip shipments to grow by double digits in the third quarter of this year, and the company is ...[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]
VP2188 is a color STN LCD module produced by Jingdian Pengyuan. This module is a dot matrix transmissive color STN display screen with a color scale of 65 k colors and white LED backlight. Its core...[Details]
Experimental tasks
A DS18B20 is used to form a temperature measurement system. The temperature measurement accuracy reaches 0.1 degrees. The temperature range is between -20 degrees and +50 de...[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]
Capacitors
are basic components in various electronic devices and are widely used for bypassing, coupling,
filtering
, tuning, etc. in electronic circuits. However, to use capacitors,...[Details]
OC faults may be the most frequent and the most frequent of all faults in the inverter. They alarm during the startup process, during the shutdown process, during operation, and even when powered o...[Details]
In 2012, more than half of the cars in the European, Japanese and American car markets will be equipped with color displays, navigation systems, satellite communications and other in-vehicle infota...[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 Guangzho...[Details]
DIY/Open Source Hardware
京公网安备 11010802033920号
EEWORLD
