2 layers31 × 43 mm

NEO Lite
techmiguel/neo-robot
Open-source ESP32-S3 voice assistant: offline wake word with TinyML (TensorFlow Lite Micro + ESP-NN), Whisper speech-to-text, local LLM (Ollama, Gemma, Qwen) or Groq, streaming TTS.
35 parts1MIT
KiCad boards from 2 GitHub repositories tagged “text-to-speech”, the most starred first; open any of them in PCBKit.

techmiguel/neo-robot
Open-source ESP32-S3 voice assistant: offline wake word with TinyML (TensorFlow Lite Micro + ESP-NN), Whisper speech-to-text, local LLM (Ollama, Gemma, Qwen) or Groq, streaming TTS.

mkol-ME/A1-4RD
Local voice assistant with a character: Whisper and a 26B LLM on a reflashed datacenter GPU, a custom voice, a 3D-printed body and a KiCad PCB

mkol-ME/A1-4RD
Local voice assistant with a character: Whisper and a 26B LLM on a reflashed datacenter GPU, a custom voice, a 3D-printed body and a KiCad PCB