esp32.diy

#openai

1 open-source ESP32 project guide tagged #openai: build steps, hardware and firmware.

Rotary Phone Voice Assistant with ESP32 and Home Assistant
ESP32 + AI · Intermediate

Rotary Phone Voice Assistant with ESP32 and Home Assistant

Turn a vintage Siemens W48 rotary phone into an OpenAI-powered voice assistant using ESP32 and ESPHome. Lift the handset, speak, get answers.

59 · · Oct 13, 2026