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Joined 5 months ago
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Cake day: February 27th, 2026

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  • Chemical etching is more accessible for sure, but every part of the process kind of sucks. Getting a solid toner transfer, preparing the bath, keeping the bath warm /moving, evenly washing the board (and stopping at the right time), cleaning up the mess, drilling all the through-holes, and optionally tinning… It’s all labor-intensive and error-prone, and I’m honestly not sure if the results I got would ever have been good enough for modern digital circuits. Ymmv.

    (If I did go back to chemical etching, I sure as hell wouldn’t use ferric chloride. I’d try one of those reagents you can actually see through!)