Hi everyone,
I built a small app for Orbit OS that runs on Raspberry Pi and integrates the Keyestudio KS0212 4-channel relay shield with Home Assistant.
It includes:
- Web UI for real-time relay control
- Modbus TCP server
- MQTT with Home Assistant auto-discovery (no manual setup)
- Remote install via Orbit OS Store (no SSH / no Docker)
Everything is designed to plug directly into Home Assistant via MQTT discovery, so entities appear automatically when the device is connected.
Demo: https://youtu.be/y8jjToatSjg
App link: RPI 4-Channel Relay Controller - Keyestudio · Orbit Store
Would love feedback from the Home Assistant community