The first question that I can hear u thinking is what';s a PCB? PCB stands for Printed Circuit Board, for example your motherboard is one big PCB (just multilayered) obviously a motherboard is way out of our league, however with some household equipment and some chemicals we can make ourselves some great casemodding PCB';s. Just think of fading LED';s, homemade fan controllers, and anything else you can come up with. In this guide I';m going to explain how to make a usable PCB. With this step by step guide you can make you own in no time, here';s a list of things that will be needed.
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The first thing we need is a design of what you want to make. There are all kinds of programs for that and you can even do it by hand. I';m using the program called EAGLE, you can find it
From here on begins the actual Etching process. The board itself is made of multiple layers of glass fiber, also known as an epoxy board. First measure what size board you need and saw it off using a hacksaw. The blue plastic layer is the protection layer of the copper and photosensitive layer. If you damage the board don';t use it because it will turn out bad. Don';t remove the plastic layer until the very last moment when where going to expose it to the UV light. Remove the protective layer, and place your printout the way you want it, and again take notice that it';s mirrored.