@decryption @Unixbigot the original home-brew PCBs were made using opto-chemical etching by printing the layout on a sheet of plastic and shining a UV light though it to remove the copper layer.
@decryption @Unixbigot the original home-brew PCBs were made using opto-chemical etching by printing the layout on a sheet of plastic and shining a UV light though it to remove the copper layer.
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