The Arduino Pro Mini will be selected as the controller due to its small size and reliability.  This micro controller is small.  I ordered 2 of them from Sparkfun and they arrived in a few days.  They don’t come with header pins installed.  This is a plus because I have the option to header or wire it in a way the is dictated by the design. Here is a pin out map of the Arduino Pro Mini for reference. I … Continue reading Controller of the Sensor Helmet