ESP32 + AI
Voice assistants, AI gadgets and on-device machine learning.

Oído: Open-Vocabulary Speech Recognition on a $5 ESP32-S3
Run a quantized Conformer-CTC recognizer entirely on an ESP32-S3 — 3.7% LibriSpeech WER, no cloud, no NPU, English and Spanish supported.

Tokpet: ESP32-S3 Desk Pet That Watches Your AI Token Usage
Build a round AMOLED ESP32-S3 desk pet that shows your Claude, Codex, and DeepSeek usage as mood-driven rings. Local-first, zero-config LAN discovery.

Koala Satellite: DIY ESP32-S3 Voice Assistant for Home Assistant
Build a far-field voice satellite for Home Assistant using ESP32-S3 DevkitC and ReSpeaker Lite with XMOS XU316 noise cancellation, LED strip, and rotary encoder.

Embedded-AI-Harness: AI Closed-Loop Firmware Dev for ESP32
Let Claude write, flash, and test ESP32 firmware on real hardware in a closed loop — spec to working silicon, hands off. Built on a Raspberry Pi testbench.

DIY Video Doorbell with Voice Response (ESP32 Cam + ESPHome)
Build a cloudless video doorbell with live camera, actionable phone notifications, and pre-recorded voice replies using ESP32-CAM, DFPlayer Mini, and Home Assistant.

zclaw: Personal AI Assistant on ESP32 in Under 888 KiB
Build a tiny AI assistant on ESP32 with GPIO control, Telegram chat, scheduled tasks, and custom tools — all packed into 888 KiB firmware.