Pcb manufacturing

How to make your own photo pcbs.

My brother and I manufacture our own photo pcbs and it is not as difficult as it may seem at first. You will need a saw, a UV lightbox to expose, some chemicals to develop & etch and finally a drillingmachine.

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First we print two overheads on a laserprinter, place them on top of each other, and secure them with self-adhesive tape. Make sure the printpattern is on the right side of the overhead, it shall turn towards the pcb, and any text must be mirrored.