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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We then etch the pcb in a solution made of 100 gram tap water and 100 gram ferric chlorid. We heat the solution with hot water in a kitchen sink. Again be careful ferric chlorid makes stainless steel corrode and will ruin your clothes if you spill on it.