A maker has developed a unique method for hand-drawing and etching custom printed circuit boards (PCBs) at home, moving away from traditional computer-aided design. Utilizing a Pentel N850 permanent marker as a photo resist and ferric chloride for etching, this process allows for more artistic and less rigid PCB designs. The resulting custom PCB was successfully used to control a 3D-printed fume extractor fan for a soldering workshop. AI
IMPACT This DIY approach to PCB design offers an alternative to automated processes, potentially inspiring new creative avenues in electronics.
RANK_REASON The cluster describes a novel DIY process for creating custom PCBs, which falls under hobbyist research and development. [lever_c_demoted from research: ic=2 ai=0.1]
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