Is there any group for drawing PCB, or QQ for drawing PCB, which is for experts? I am a novice and have just started to design PCB. I may encounter some problems in the learning process. I want to add
When synchronizing with ActiveSync, I cannot connect the PC with USB. When I insert the USB, the PC prompts that new hardware is found and the hardware can be used, which means that there is no proble
When I was making a 4-in-1 card holder, I accidentally connected the DATA0 and DATA1 of the SD card together. After testing, the SD card can be read normally, but the MINISD card cannot be read. Aren’