Analysis of mini2440button driver By Jeefjiang JUL,5th,2009 Development board: Friendlyarm mini2440 Development environment: Fedora8+arm-linux-gcc+NFS Kernel version: Linux2.6.29 Reference program: SC...
It is rare to see a device like DAC being put before the consumer as an evaluation standard, so it immediately aroused my interest. Although I am not a HIFI enthusiast, I have heard of ESS. The follow...
[i=s]This post was last edited by wangfuchong on 2014-5-12 19:07[/i] A set of lead-acid batteries for an electric bicycle has been idle for too long. I want to discharge them and then recharge them. S...
I want to make a gas meter. The value has a decimal point. It is easy to solve this problem on a single-chip microcomputer. Now I want to send it to the PC through the serial port and use the VB progr...
High efficiency and low standby power consumption are two major challenges in today's switching power supply design. Resonant topology or LLC topology is becoming increasingly popular because it ca...[Details]
Do you often have to add brake fluid to your car's brakes? The fact that you need to pump out the brake fluid to make sure there is no gas in the brake fluid line may not be done by the car owner h...[Details]
For a long time, due to the limitation of hardware conditions, the display devices of traditional small handheld devices such as PDA are usually monochrome LCD, and the user interface is very simpl...[Details]
With the development and widespread application of computer technology, especially in the field of industrial control, computer communication is particularly important. Although serial communication g...[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]
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]
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]
LED guardrail lights use fluorescent tubes or LEDs as light sources and continuous guardrails as carriers to form an approximately linear guardrail light strip. This article mainly introduces...[Details]
Abstract: In order to realize wireless automatic alarm and monitoring of major safety places, based on the basic principle of pyroelectric infrared sensing, a detector for receiving infrared radia...[Details]
Nowadays, more and more people have digital cameras. The convenience and speed of digital cameras have gradually replaced film cameras and become the main tool for people's daily photography. The n...[Details]
The most important components of new energy electric vehicles are power batteries, electric motors and energy conversion control systems. The power battery must achieve high performance such as fas...[Details]
High specific energy lithium/thionyl chloride (Li/SOCl2) batteries are widely used in multi-functional intelligent meters (such as smart meters, water meters, etc.) as real-time clocks and memory b...[Details]
As countries around the world are leaning towards the new energy battery industry, lithium-ion power batteries, as the ideal energy source for the development of the 21st century, are attracting mo...[Details]
Multimedia applications such as mobile TV, mobile gaming, and audio playback present a huge challenge to power management design in mobile phones. Mobile phone designers need to keep the phone smal...[Details]