[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...
Emergency hand-held lamps powered by 6V maintenance-free batteries are widely used in rural areas. The charger used is a transformer step-down and single diode half-wave rectifier, and the charging...[Details]
1 Introduction
As an emerging microfabrication technology, micro-electromechanical system (MEMS) technology has begun to be applied in various fields. It can integrate functions such as inform...[Details]
Aromatic gases are widely present in food, medicine, cosmetics and various daily chemical products, such as snacks, liquor, spices, Chinese herbal medicines, plasters, perfumes, soaps, shampoos, et...[Details]
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]
1. Introduction to CIF Board
Fieldbus integration based on PC system
Whether it is a master or a slave, fieldbus has won unanimous praise in the field of PC-based automation. For more...[Details]
Flooded Batteries
This battery developed in Germany can be used to power flashlights, strobe lights and toys as long as it is filled with water. This battery can be stored for 50 years and can...[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]
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]
Introduction
Liquid crystal, as a display device, is widely used in low-power products such as instruments, meters, and electronic equipment with its unique advantages. In the past, the displ...[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]
Abstract: Aiming at the needs of coal-rock acoustic emission signal monitoring system, a data acquisition circuit with 24-bit resolution and 16-channel synchronous data acquisition function is desi...[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]
Temperature compensated quartz crystal oscillator (TCXO) is widely used as a high-precision frequency source in communication systems, radar navigation systems, precision measurement and control sy...[Details]
The DisplayPort interface standard is approved by the Video Electronics Standards Association (VESA) to provide an open, scalable standard for the entire industry. The development of DisplayPort ca...[Details]
1 Introduction to LED
With the development of science and technology, people have higher and higher requirements on automobile light sources. LED (Light Emitting Diode) has gradually attracted...[Details]
Embedded System
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