Your phone is Koda's brain — handling LLM calls, sensors, and persistent memory. The ESP32-S3 is the body — 4WD motors, BLE, and camera. Together, they form a curious, expressive AI companion.
Koda has a distinct personality designed for genuine connection
Loves exploring and discovering new things. Koda's always eager to learn about its environment and interact with the world.
Bonds with users and remembers interactions. Koda builds genuine connections through shared experiences.
Expresses joy through spins, wiggles, and physical interaction. Koda knows how to have fun!
Simple and direct about its capabilities. Koda is authentic and trustworthy in every interaction.
Powerful hardware in a compact, playful form factor
| Microcontroller | ESP32-S3 |
| Connectivity | BLE 5.0 + WiFi |
| Processing | Dual-core Xtensa |
| Memory | 8MB PSRAM |
| Chassis | 4WD wheeled platform |
| Motor Driver | TB6612FNG Dual H-Bridge |
| Movement | Smooth turn & move |
| Control | Precise speed control |
| Camera | Phone-mounted camera |
| Switching | Front/Rear camera |
| Analysis | Real-time LLM vision |
| Awareness | Spatial understanding |
| App | Flutter companion app |
| Protocol | Low-latency BLE |
| Platform | iOS & Android |
| Interface | Intuitive controls |
Everything Koda needs to be your perfect companion
Smooth turn and move commands with automatic stopping. Precise control for navigation and playful interaction.
Front/rear camera switching with spatial awareness. Koda sees and understands its environment through LLM-powered vision.
Physical wiggles and spins based on internal "feelings". Koda's body language matches its emotional state.
High-level intelligence via companion app. Vision system for navigation, object recognition, and personality-driven responses.
Your smartphone runs all the intelligence — LLM calls, sensor processing, memory storage. An old Android or iPhone works great. The ESP32-S3 receives commands over BLE and drives Koda's body.
🚧 Coming soon: Koda will grow with you through graymatter integration. Continuous learning, adapting personality, and building unique memories.
🚧 In development: Powered by graymatter. Every interaction stored, indexed, and retrievable. Koda will never forget your bond.
Full firmware and app code available. Customize Koda's personality, add features, or build your own variant.
From basic robot to self-evolving companion
Built with modern, accessible technologies
Start with v1.0 today - motor control, vision, and BLE connectivity. Join the journey toward v2.0 with graymatter-powered persistent memory and self-evolving intelligence. Full source code and community support available.
✅ Android APK available (52.6 MB)
✅ Full source code on GitHub
✅ Active development
✅ Community support