I want to make a USB disk filter driver. First, I read the device descriptor of the USB disk, and then disable the USB disk according to a certain item in the device descriptor. Thanks to everyone's h...
[p=30, null, left][font=宋体][font=Verdana][color=#000080]As an important front-end part of traffic information collection, vehicle detectors are increasingly attracting attention from industry insiders...
I hope it will be helpful to engineers who do SMT welding. Each post will update 10 questions. If you find it useful, please give it a thumbs up:) 1. Generally speaking, what is the temperature specif...
Now I need a chip that can directly convert digital signals to 4-20MA output. I chose AD421, but I don't know how to use it. Can anyone who has used it give me a reference to the basic reading and wri...
Hello, seniors. I want to write a paper entitled "Design of Switching Power Supply Based on Single-Chip Microcomputer Control", but I still have no idea. At present, I have only found some information...
Electronic transformers, semiconductor switching devices, semiconductor rectifier devices, and capacitors are called the four major components in a power supply . According to the role in the power su...