“Nowadays, PCBs can be bought extremely cheap from China. But let’s say you need one within 24 hours, making your own is then the only option. Furthermore, it’s way more challenging and fun!
In this Instructable I will guide you through the whole process of making a professional double-sided PCB on a cheap CNC mill, without any chemicals! The PCB features:
Double sided Soldermask (green layer) Silkscreen (white text) Copper vias Though hole plating It has taken me a lot of experimentation to get to this point. Especially the soldermask and silkscreen have required some work to come to a streamlined process. Let’s get started!”