The picture below is the finished board, and the result is the same as the simulation. The purpose is that the first-stage op amp collects a current signal and sends it to the second stage for amplifi
I am using 149. When I use the multi-function programmer to burn the program, it always makes two "dong" sounds and fails to burn. In the past, when this happened, I just replaced it with a 149, but I
The TIM3 PWM mode generates a waveform (with a fixed number), the first part is normal, but at the end, there is a momentary high level, but then it slowly becomes low, like a sawtooth peak? ? What is
This is a document I compiled when I was doing an event before. It is a summary of some experts' experience. Maybe you have encountered such a problem before, so come and have a look.I also hope that
[i=s]This post was last edited by xunke on 2016-10-7 11:05[/i] I saw this on a forum and it's awesome! I'd like to share it with other netizens: [backcolor=rgb(238, 238, 238)][font=Tahoma, Helvetica,