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OpenHAB - SmartHome (349 posts)

15/09/2026

OPENHAB 5 - Smart Irrigation System with SONOFF 4CH and Tasmota - VIDEO [Versione in italiano]

by Marco Lamanna

In this video, we look at how to build and configure a smart garden/vegetable patch irrigation system integrated into OpenHAB 5, using a Sonoff 4CH controller with Tasmota firmware and the MQTT protocol.

We will cover both the hardware (connecting 24V solenoid valves and the power supply) and the software side in OpenHAB (Things, Items, MQTT channels, and automation rules for scheduling irrigation times and cycles).

Components used:

  • Sonoff 4CH Pro R3 (flashed with Tasmota)
  • 24V DC irrigation solenoid valves
  • 24V transformer/power supply
  • Voltage regulator

Enjoy your viewing

[Open on YOUTUBE]