Hello everyone, I wanted to share my recent project to automate my garden irrigation system with a smart rain sensor. I’ve been using a Gardena watering system with 4 battery-powered valves, and while it’s been reliable, it’s been running on a fixed schedule regardless of the weather. The problem became clear during heavy rainfall—my system would still activate, which is both wasteful and unnecessary.
I decided to integrate a rain sensor to deactivate the irrigation when it rains. My goal is to find a sensor that can detect significant rainfall and prevent the system from running unnecessarily. I’ve come across a few options, but they either lack the sensitivity I need or are too expensive. I’m curious to hear if anyone has successfully implemented a similar setup or has recommendations for reliable sensors.
One approach I considered is using a simple rain sensor that triggers a switch when it detects rain. This would cut off power to the irrigation pump. While it’s a straightforward solution, I’m concerned about false triggers during light rain or mist. I’d love to find a sensor that can differentiate between heavy rain and minor moisture, ensuring the system remains off only when it’s truly unnecessary.
Another idea is to integrate weather data from an API to predict and adjust watering schedules accordingly. This could provide a more proactive solution, but it might be overkill for my needs. I’m leaning towards a physical sensor for simplicity and reliability.
If anyone has experience with rain sensors or alternative solutions, I’d greatly appreciate your insights. Let’s collaborate to create a smarter, more efficient irrigation system!
Best regards,
Anderl