esp32.diy

#smart-speaker

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

Build an ESP32 Alexa Smart Speaker with I2S Audio
ESP32 + AI · Intermediate

Build an ESP32 Alexa Smart Speaker with I2S Audio

Turn an ESP32 into a working Alexa voice client using an I2S mic, I2S codec, and Neopixel status LEDs. Full wiring, pin table, and build steps.

275 · C · Oct 13, 2026