How to Solder Mask PCBs

Check out the tutorial for list of parts and supplies: https://learn.adafruit.com/how-to-sol...

Wether you're etching or CNC milling your own PCBs, the copper layer on the substrate will eventually begin to oxidize and rust. The best way to prolong the life of your PCBs is to give them a protective coating. This is where PCB Solder Masks come into play.

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