Posted in Phone Hacks Tagged arduino, dialer, dtmf, microcontroller, phone, phreaking, touch tone ← Huge Functionality, Small Package: A Custom Tablet, Raspberry Style ...

However, with [jakeofalltrades’] project, you can read an old-fashioned phone dial using an Arduino. The idea behind a phone dial is actually pretty simple.

Check out the Arduino phone project below to learn more about its construction and functionality. To make a phone call you have to pick up the handset and dial the number, that’s all.

This one caught my eye on twitter - a Redditor has converted a 1961 Western Electric Model 500 telephone into a rotary cell phone using Arduino.

It embeds an Arduino and a two-line LCD screen into a vintage telephone. To Tweet, you lift the handset and dial. Letters are selected just like on a pushbutton phone.