[i=s]This post was last edited by ylyfxzsx on 2015-1-6 10:17[/i] Welcome brothers to continue to come in the new year. 500 full-color OLED screens are just for popularity. I’m giving the postage to yo...
I use 2440+wince 5.0+3G module to realize Internet access. Now when I browse the web, I always suddenly cannot browse. When I cannot browse the web, the system does not prompt that the network connect...
The basic situation is: use 6713 to make a floating point calculator, the external communication is only McBSP and EMIF, a FLASH is expanded to store the program, and it is BOOTed to the internal RAM ...
I didn't think the smog had a big impact before, but in the past two years, I have found it more and more horrible. The day is as dark as the night, and breathing is uncomfortable. What happened to Ch...
[color=#000][Shocked! Reporter goes undercover to reveal the inside story of bank card fraud: a card can be copied in 10 seconds] Recently, a reporter from Henan Metropolitan Channel went undercover t...
Please send your resume to yunxin_ic@163.com ---------------------------------------------------------- RF/Analog Circuit Design Engineer (2 persons) Job Description1. Responsible for the design of RF...
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]
Introduction
Power subsystems are becoming more and more integrated into the overall system. Power systems have moved from being separate "essential dangerous devices" to being monitorable...[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]
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]
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]
1. Disadvantages of choosing too high a voltage level
Choosing too high a voltage level will result in too high an investment and a long payback period. As the voltage level increases, the...[Details]
Currently, each country is developing its own USB interface
charging specifications
, which leads to a major problem that a USB interface
charging
device manufactured in one country...[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]
1 What is an LED floodlight?
LED downlights are also called spotlights, projection lamps, and spotlights. They are mainly used for architectural decorative lighting and commercial space lighti...[Details]
The power consumption of a switching power supply includes fixed losses caused by parasitic resistances such as semiconductor switches, magnetic components, and wiring, as well as switching losses ...[Details]
Fairchild's FAN6208 is a synchronous rectification (SR) controller for isolated LLC or LC resonant converters that can drive two individual SR MOSFETs emulating the behavior of rectifier diodes. FAN62...[Details]
Previously used primarily in high-power power supplies and large industrial and consumer power supplies, supercapacitors are now finding their way into products of all sizes, especially portable de...[Details]
First, the choice of charging location. Wireless charging technology is related to the distance and state of the charger and the charged device. That is to say, the distance between the two cannot...[Details]
The 8051 microcontroller is the most common microcontroller we have. I have been using 8051 for a long time and have also taught microcontroller courses for a period of time. Here I would like to s...[Details]
This paper first proposed an elevator controller algorithm based on a finite state machine, and then designed a three-story elevator controller based on the algorithm. The correctness of the elevat...[Details]