[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.

Time is calculated using the GPS, which sends out a line of ACSII data; the Arduino waits, and receives the data that reports time and date. Instructables offers a more intricate break-down of the ...

The programmable timer features and up counter, down counter, and point accumulator that can be programmed manually using only one on-board button, or digitally with your Arduino or Raspberry Pi.