Control is provided using a 12V solenoid valve in-line with the water hose. This reduces the water flow rate to allow time for sensor feedback to prevent over watering. The sprinkler system is implemented using a set of low flow misting heads. The Arduino Dock is added to provide analog input capability. The Omega2 used in conjunction with IBM Watson IOT platform creates a very capable WiFi system to monitor sensors and provide sprinkler control, alerts, and snapshots. The intent of this project is to implement a smart control system that uses multiple sensors to determine when to water and also uses a camera to allow remote monitoring to verify conditions. In Oregon the weather is fairly unpredictable so regular scheduled watering is not effective. We have a raised garden bed that needs to watered when we go on extended trips.
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