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Ril3y left a comment on the Lincoln PCB with a few other artistic boards.

Not really a “circuit” but it was an attempt at how cool I could get a pcb. Next is to bake in a circuit next time. I try to use copper to do quite a bit of the words needed too!

Great art! Thanks for the tip!

We enjoyed this (sponsored) segment from Make about etching circuit boards. Like Collin, we got our start etching boards we found on the web, at first with toner transfer and later UV photo masking. We didn’t know how the circuits worked, but it was still exciting to build something cool.

Our current method for single-sided prototype boards is about the same as in the video, but we use inkjet masks. Usually a mix of all ink colors, often called high quality black, has better UV resistance than black ink alone. We expose the board for 1 minute and 28 seconds under a tanning lamp from a thrift shop.