Arduino Pro Mini Enclosure

thingiverse

This Arduino Pro Mini enclosure has performed well in numerous projects, consistently providing reliable results. AA batteries slide in and out with ease, staying securely in place due to the effective snap-in design. The Arduino can be positioned at an angle before being pressed down firmly, snapping into place through friction. This allows users to attach and detach FTDI devices for re-flashing without subjecting the Arduino to unnecessary stress and strain. Additionally, spacers are integrated at the bottom to prevent the Arduino's built-in reset button from being triggered when placed facing downwards. Demonstrated in the accompanying images is a 3.3v Arduino Pro Mini, a RFM69HCW module, and a reed switch, all combined to create an affordable wireless door or window sensor that can run on batteries for several years once modified. The required magnet completes this setup. The battery contact plates used are budget-friendly options available online by searching for "AA Battery Positive Negative Conversion Spring Contact Plate". One of these plates has been cut into two separate pieces to ensure proper separation.