How to distinguish multiple USB flash drives (USB devices) in Windows system? When a mobile phone is connected to a computer, two USB flash drives are generated, one is the mobile phone memory and the...
My cell phone doesn't have Bluetooth or infrared, and I can't use a data cable, so I can only download things via GPRS. Can you make a circuit to transmit things to my cell phone via radio?...
I'm reading an assembly language program written for DSP2808 sent to me by my American tutor recently. I've encountered some problems. I can't find these instructions online. I haven't been to the Uni...
Author: Wang Huidong, member of YiBo Technology Expressway
Lin Ruyan always said: "The thicker the copper thickness of the finished circuit board, the more sufficient the line width and line spacing s...
In the previous series, we have listed some basic knowledge of C language in Tables 1 to 3. We hope that beginners can strengthen their memory of the above tables and gradually learn to use them wh...[Details]
1. Proposal of
reconfigurable
measurement and control system
The measurement and control system generally refers to a system based on
computers
to realize data acquisition a...[Details]
A stepper motor is an electromagnetic mechanical device that converts an electrical pulse signal into an angular displacement or a linear displacement. The stability and reliability of a stepper mo...[Details]
This article discusses the six design steps of LED lighting system design in detail: (1) determine the lighting requirements; (2) determine the design goals and estimate the optics; (3) the efficie...[Details]
Applying fieldbus technology on new beer production lines is the first choice for large beer companies with strong management level and technical strength. Guangzhou Zhujiang Beer Group Co., Ltd. i...[Details]
Some people think: as long as the program runs well, it doesn't matter how the original program is written. But this is absolutely not the case. Software is not completed in one go, and it is neces...[Details]
UPS is an uninterruptible power supply (UPS). This device can ensure that after a power outage in the computer system, users can continue to work for a period of time and save files urgently, witho...[Details]
The physical interference of dc/dc switching power converters is well known unless the system and circuit diagram are carefully designed. These converters can inject unwanted charge into the electr...[Details]
In the field of video surveillance, video compression encoding formats have evolved from M-JPEG, H.263, MPEG4 to H.264. Currently, H.264 is the mainstream compression algorithm. Its biggest advantage ...[Details]
With the continuous development of automotive electronic control technology, the number of automotive electronic equipment has greatly increased, the operating frequency has gradually increased, and t...[Details]
Comparison of electrostatic testing between automotive electronics and ordinary electronic products
Electrostatic discharge is a natural phenomenon. When two materials with different di...[Details]
Introduction: At present, the main grounding form of the low-voltage power distribution system in our city is only one TN-C grounding method. Nowadays, there are more and more types of electrical e...[Details]
The history of DVR technology development can be simply summarized as a process from single-channel to multi-channel, with increasing integration and decreasing cost per channel. Chip technology pl...[Details]
Integration of the secondary of redundant AC/DC power supplies has been largely ignored by semiconductor manufacturers. The result is a multitude of discrete components such as op amps, transistors, r...[Details]