Reprinted from Qianjia.com BG7JWE I believe everyone is familiar with the current power supplies that cost a few yuan or ten or twenty yuan, right? Similarly, I have also disassembled quite a few. Tod
I spent some effort to find the signal of SMA thread, because I wanted to screw the extended SMA port directly onto the metal box. I used various thread templates in the shop that sells drills and tap
I have a secret, the heavens don't know it, the earth knows it, you don't know it, but I know it. It's really embarrassing... Guess what it is? [b][color=#5E7384]This content is originally created by
I am a newbie and want to use the development board to implement a smart warehouse system. The specific functions are as follows: face recognition login, menu display of specific in and out informatio
I participated in a science and technology competition: using STC15 and GPS module to realize the automatic bus stop announcement function. I would like to ask the experts to recommend a cost-effectiv