Arduino Pro Mini using through-hole parts


Because winters are sucky and the weather outside still not at all inviting, I decided yesterday to see how close you could get to making an Arduino Pro Mini with  through-hole parts. The answer is about this close.

The main differences are the final product measures 1.1″ x 1.8″ rather than 0.7″ x 1.3″, two extra analog inputs available on the SMD version of the¬†ATMEGA328P are missing, and the low-power configuration is a build-time option. Here’s the schematic* as it stands today.

If you’re feeling brave enough to build this thing, PCBs are available through OSH Park.

*Subject to change!

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