[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.

Rotobooth is a photo booth controlled by an embedded rotary telephone, and there are two ways to use it. You can dial ‘0’ to take a photo, which is automatically uploaded to Flickr. Or, you ...

Makers and ordering your enthusiasts looking for a new project to keep them busy may be interested in this new Arduino rotary phone hack which uses an Arduino Pro Mini and a SIM900 GSM shield ...

At the heart of the device is a AD9833 waveform generator; with the Arduino, rotary encoder, and 16×2 LCD providing an interface to control it over SPI.