These days, most of us have a smartphone. They are so commonplace that we rarely stop to consider how amazing they truly are.

[Scott-28] recently sent in a particularly well-documented project that turned an antique rotary phone into a digital kitchen timer using an internal Arduino.

This product is courtesy of It was super easy to make this mobile tracked platform and radio-controlled useful for building robots and other systems. It uses Arduino to run the logic to control it ...