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[Quinn] is building this computer all by her lonesome, including etching all the PCBs. She’s gotten very, very good at etching her own boards, but this input board did inspire a few facepalming ...

Etching your own PCBs from copper clad board is nothing new, but the ability to make your own circuit boards at home is so useful it should be part of every maker’s repertoire of skills.

This groundbreaking technique, also referred to as MacEtch or MACE, provides ultra-high anisotropy etching that’s free from damage. It is an innovative approach that effectively addresses the ...