Learn more. Below you’ll find ratings and reviews of the best smart sprinkler controllers from our tests. One crucial factor sets these top performers apart from the rest of the pack.

What to do once you have a sprinkler ... his control box contained a 240V AC to 12V AC 50VA transformer to power the valves, and a 240 AC to 5V DC power supply for the USB relay board and WiFi ...

WiFi-based control: The ESP8266 connects to your home WiFi network, allowing you to control the sprinkler zones from any device via a browser or scriptable HTTP API. Dynamic zone configuration: Set up ...

The brains of the operation is handled by a Moteino, which is a Arduino compatible micro controller board with WiFi on board. In order to interface with the sprinkler system, an interface PCB is made.