GitHub

A simple hardware hack which uses an arduino to broadcast the telephone number of incoming calls using MQTT, the telephone numbers are provided by a BT caller display 50 unit.

The caller id system in the UK transmits the callers telephone number (and date and time) as a burst of 1200 baud serial between the first and second ring this is decoded and displayed. The BT caller ...
EDN

Using Arduino and Rotary Telephone Dial to Control ‘Stuff’

You can use an old rotary telephone dialer in conjunction with your microcontroller to implement all sorts of things; for example, you could use it to enter a series of numbers to unlock a safe. You ...
GitHub

Interactive Rotary Telephone Box

This Arduino-based project breathes new life into a classic rotary telephone, transforming it into an immersive cultural storytelling device. Situated in a boutique hotel, within a meticulously ...