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PCB Etching from a 1980 Elektor Circuit Special
PCB etching gets a proper Elektor angle in Bettina Neumryr’s latest video, which recreates a project from the July/August 1980 Elektor Magazine Circuit Special. The chosen circuit is a 0–50 V, 0–2 A variable power supply — a good reminder that old magazine layouts were not just illustrations, but build-ready engineering documents.
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