GoodWatch

GoodWatch, a project by Travis Goodspeed to replace the innards of a Casio calculator watch to add additional functionality, notably a transmitter/receiver using a TI CC430F6137. Travis keeps a running Twitter thread with updates to the project.

GoodWatch assembled and PCB with processor

Video showing one of the watch's Hash built transmit morse code to a Kenwood TH-D74 Amateur Radio.