Connect a rotary dial telephone from the 80s to a cheap cellphone with an Arduino.
A Raspberry Pi enabled retro smartphone from which you can check the news headlines, send a tweet, listen to SMS messages, and much more.
New tech from old tech. Converted an old Tiffany Coke touch phone into a Google Home using a Raspberry Pi and the Google AIY source code.
A giant 10 x 10 LED board game of Battleships all controlled by an old 1960s Swiss rotary Bakelite phone.
The voice assistent guides cognitive disabled persons thru the use of the memory functions of a telephone.
