Technical details
Description, documents, and source code.
The ESP-Hi AI Dog Kit brings interactive, on-device AI to your desktop. Powered by a low-cost ESP32-C3 RISC-V MCU, it supports multiple large-language-model chat engines via Wi-Fi, features motion-activated wake-up, a full-color LED matrix “face” for expressive animations, and over 20 preprogrammed behaviors. All hardware and firmware are open-source under GPL 3.0, with complete schematics, BOM, 3D-print structure files, and factory-ready binaries provided. At just ￥49.9 in parts cost, it’s one of the most accessible AI robotics projects available today.
What is it?
An ultra-low-cost AI chat robot dog based on the ESP32-C3 MCU.
Supports multi-model AI dialogue via Wi-Fi, from cloud LLMs to local inference.
Motion-activated wake-up, full-color LED matrix facial expressions, and dozens of built-in actions.
Fully open-source design: schematics, 3D-print files & firmware binaries under GPL 3.0.
Why did you make it?
To democratize AI robotics education and enable makers of all levels to experience interactive, on-device AI without breaking the bank.
What makes it special?
Ultra-affordable: Core parts cost under ￥50.
Plug-and-play: Precompiled firmware & 3D-print enclosure streamline assembly.
Expressive: Colorful LED matrix “face” brings the robot dog to life.
Versatile: Motion-triggered wake, chat over multiple AI models, and rich preprogrammed behaviors.
Videos
Original product page: https://www.tindie.com/products/johnson/ultra-affordable-esp32-c3-ai-chat-robot-dog/