This tutorial will guide you through the process of building a tachometer around an Arduino. Tachometers are used to measure rotation rate in Revolutions Per Minute (RPM). You don’t need much in ...

However, with [jakeofalltrades’] project, you can read an old-fashioned phone dial using an Arduino. The idea behind ... to produce between 9.5 and 10.5 pulses per second, but the equipment ...

One such program is Arduino Bluetooth Controller by Ioannis Tzanellis. It features a controller mode that lets you assign characters to 10 buttons, all arranged as a video game-style control pad. It ...