This is my first time drawing a PCB. I also referred to the solutions of several friends in the forum and uploaded the file for everyone to see. I hope everyone will take a pat. I use a 7-inch screen ...
Recently, I found a magical single-chip CH554. This is a single-chip with 51 cores. It actually has USB and can support both the host and the device! So I took it to study what it can be made into. Af...