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Arduino electronics hardware PCB

Arduino Pro Mini Sensor Board

I often use Pro Mini format Arduino Boards in my projects, especially when the processor is embedded as a ‘set and forget’ controller. They have a small form factor and are very inexpensive.

However, as I prototype systems using standardized breakout modules (see this past article) it has been annoying not having a sensor-type board for this processor footprint. So I decided to make my own.