4 Relay, Modbus & MQTT on Home Assistant | One-Click, No Docker, No SSH | Raspberry Pi
In this video we install Orbit OS on a Raspberry Pi 4, register it on the
Orbit OS Store and remotely install a 4-channel relay controller app —
no Docker, no SSH, no complexity.
The app includes:
✅ Web UI to control all 4 relay channels in real time
✅ Modbus TCP server
✅ MQTT with Home Assistant auto-discovery
🔗 Download Orbit OS: https://www.orbit-os.org/downloads.html
🔗 Orbit OS Store: https://store.orbit-os.org
🔗 Getting Started: https://www.orbit-os.org/getting_star...
🔗 SDK API Reference: https://www.orbit-os.org/api-referenc...
Hardware used:
Raspberry Pi 4
Keyestudio 4-Channel Relay Shield KS0212
In the next videos:
How to build your own app using the Orbit OS SDK
How to package and submit it to the Store
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#OrbitOS #RaspberryPi #HomeAssistant #IoT #EmbeddedLinux #ModbusTCP #MQTT #EdgeComputing