Before you can build your own private Printed Circuit Board (PCB), you should style your board on a computer. I’ve created a tutorial to creating PCBs here. On this action, You need to submerge the board from the acid mixture. Maintain the PCB submerged during the acid for 3 - https://development-boards00999.review-blogger.com/56654688/development-boards-things-to-know-before-you-buy