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[ARTICLE · art-142813] src=blog.adafruit.com ↗ pub= topic=ai-products verified=true sentiment=↑ positive

DIY AI voice assistant with ESP32 and animated OLED eyes

Jayesh Nawani built a DIY voice assistant that runs entirely on an ESP32, using an I2S microphone to capture speech that is packaged as a WAV file and sent to the OpenAI Whisper API for transcription, with GPT generating a reply and TTS audio streaming back through a MAX98357A amplifier. Open Electronics published coverage of the project, which also includes animated OLED eyes.

by read1 min views2 publishedSep 30, 2026

oeadmin at Open Electronics covers a voice assistant project by jayesh_nawani that runs entirely on an ESP32. An I2S microphone picks up speech, the clip is packaged as a WAV file and sent to the OpenAI Whisper API for transcription. GPT writes a reply and the TTS audio streams back out through a MAX98357A amplifier […]

source & further reading
blog.adafruit.com — original article You cannot sell AI written software
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