[URL=http://www.5s5f.net]http://www.5s5f.net[/URL] (foreign free English e-books, fashion magazines) [URL=http://www.bookgo.org ]http://www.bookgo.org [/URL](A large number of original English compute...
[i=s]This post was last edited by gooogleman on 2014-3-18 23:40[/i] Problem: When clicking the backlight adjustment status bar of the Android system, the backlight turns black and the LCD cannot displ...
[postbg]2.jpg[/postbg][align=left][color=#000][size=3]LDO Headroom and Its Effect on Output Noise and PSRR[/size][/color][/align][align=left][size=14pt]Author:[size=14pt][url=http://www.analog.com/lib...
The host computer tests the serial port and there is no problem. But it does not communicate with the 430 of the lower computer. I don't know what is going on. The program is very simple. 449 MCUThe s...
Now ZigBee, solid-state relay, and LT-518 AC module are connected. How do I connect them and test them? Has anyone done this? The solid-state relay buzzes after being connected to the power supply, th...
[size=3]Original text from: Li Shutong's blog [url=http://jingzhiee.com/]http://jingzhiee.com[/url] Netizens in the forum, how long have you been in the field of electronic engineers? What are your wo...
I. Introduction
Since RS232 has a short communication distance (only 15 meters according to EAT/TAI-232 standard), and can only perform point-to-point communication, it cannot directly f...[Details]
Digital array radar (DAR) uses digital beam forming (DBF) in both receiving and transmitting modes to achieve flexible distribution and reception of RF signal power in the airspace, obtain excellent t...[Details]
12v Lead Acid batteries used in trucks, cars, RVs and uninterruptible power supplies are usually rated at 12V. This circuit monitors the battery, the charge and discharge curves, gives the cu...[Details]
TC9012F is a universal CMOS large-scale integrated circuit for infrared remote control signal transmission, suitable for remote control of TV, VTR, laser player and other equipment. In the market, ...[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]
introduction
Steam turbines are driven by high-temperature and high-pressure steam generated by boilers to run at high speed. They are key power equipment in thermal power plants. The emergenc...[Details]
Fruit planting is an important part of China's agricultural development, and fruit tree pest control operations are becoming more and more important. At present, the overall level of pesticide applica...[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]
As the global LED market demand continues to increase, my country's LED industry will face huge opportunities in the future. However, the core LED technology and patents are basically monopolized b...[Details]
Every time I go home and walk up the stairs, I am always scared. The corridor lights are often broken, and no one changes the bulbs, or they are not smart enough and need to be operated manually. E...[Details]
The capacity of a battery depends on the amount of charge and discharge, in addition to some factors of the battery itself. Obviously, if the charge and discharge of the battery can be recorded all...[Details]
1 Introduction
At present, advocating health has become the focus of people's attention, and the emergence of treadmills has become more and more popular. People can exercise at home or in the ...[Details]
As a new type of centralized and decentralized elevator control system, serial communication has been widely used in China. Compared with the previous centralized and unified control system, each s...[Details]
1 Introduction
In order to cope with the energy crisis and slow down global warming, many countries have begun to pay attention to energy conservation and emission reduction and the de...[Details]