# Vintage phone AI assistant

> Source: <https://blog.adafruit.com/2026/10/29/vintage-phone-ai-assistant/>
> Published: 2026-10-29 21:29:29+00:00

Ramazan Eren Arslan turned a Deutsche Bundespost FeTAp 791 rotary telephone into a voice assistant, with the build documented on Hackster.io. Lift the handset and talk, and Google Gemini answers through the original earpiece. A Raspberry Pi 3B sits inside the phone where the original PCB used to be. The hook switch wires to GPIO […]