Different brands and models of irrigation controllers use various weather information and processes to customize and modify the schedule for watering your landscape.
Rain Sensor
Many controllers use a rain sensor mounted outside and connected directly to the controller. These generally
Smart controllers should be able to decide when and how much water to apply, based on recent weather history (at or very near to your location – hyper-local) the A smart irrigation controller should able to factor in
- Hyper-local weather information
- Current and immediate weather history
This short video from Rachio introduces the concept of intelligently deciding when to water and how much to water.
smart farm by cataicon from Noun Project (CC BY 3.0)