I bought a USB to serial port board online, but I don't know how to connect it. It is mainly used to connect to Four-Faith's DTU. I only need to connect RXD, TXD, and GND, but I can't enter the DTU se...
I'm working on the spectrum analyzer test of this model recently. There are too many young people in the position, so it's hard to explain. I hope the big guys can provide Chinese operating instructio...
Following the previous article, the content includes 1 system content, 2, component selection, 3, system hardware design, etc. Please refer to: https://club.gizwits.com/thread-166756-1-1.html4 System ...
The integrated operational amplifier circuit is a direct-coupled multi-stage amplifier circuit. It has a very high amplification factor, high input resistance, and low output resistance, and is widely...
LI Zi-cheng, LIU Ping, YUAN Bao-shan, ZENG Xu-chu (Southwestern Institute of Physics, Chengdu Sichuan 610041, China) Abstract: The application of zero current switching (ZCS) technology in half-bridge...
I built a F103ZET6 board myself. It only has a download port in SWD mode, but no pull-up or pull-down. The chip can be identified using the CMSIS-DAP downloader, but the program cannot be downloaded. ...