The circuit board I made is powered by the USB port of the computer. I feel that the voltage should be relatively stable. Is it necessary to add a voltage regulator circuit? I wanted to add a 7805 thr...
I want to make a PCB as one design, but with a part as a 'break-off' section - see the picture with the large slot near the top of the board. The board measures about 130 x 100mm overall.Is th...
Hello, I need to make a small 2 layer pcb for a led out of aluminium. On the pcb are 2 through holes for soldering wires (+ and -). Is it possible to have through holes on a alumium pcb or will t...
In order to implement a successful PCB design using motor driver ICs, the PCB must be carefully laid out. Can you provide some practical suggestions, hoping to help PCB design to achieve the good elec...
I designed a panel pcb board, but the edge rail without copper, I sometimes receive EQ suggestion edge rail for copper，Is there anything special about it?
I always use washing water for washing. I changed N types. Basically, all of them are whitish. Moreover, after washing the boards, they don’t look good before washing. How do you guys wash them? How a...
