It’s quite simple actually to build something like a WiFi sprinkler controler yourself. Most interesting are the advanced options (local valve shutoff even when disconnected…) and the (much) cheaper price. Something esphome based is probably the easiest way to go and a lot’s of examples exist
Irrigation Controller powered by Home Assistant and ESPHome Sprinkler Controller integration By Andrea (frieduser)
I learned a lot along the way and I thank all who gave me inspirations on solving issues; special thanks to @Alaric (who inspired me for the ESPCode), @ThaNerd (helped with lovelace interface)
Overview
I’ve done a tailored irrigation system on my needs, leveraging on:
Esphome sprinkler controller platform Sprinkler Controller — ESPHome
Home Assistant Automation
Irrigation Dashboa…
I just want to share my irrigation controller based on a ESP32 device and a 8 channel relay module. The programming is done using EspHome. With my setup I control six valves and the main pump.
What’s so special about it is, that the automation runs completely on the ESP device and the Home Assistant frontend is only used to feed in the programming. My irrigation controller is quite far from my access point, so I can’t rely on a stable Wi-Fi signal all the time. Therefore the automation still wo…