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 Rachio Smart Sprinkler Controller makes managing your garden ... I connected it to my Wi-Fi via the app, then setup my different zones. It has an easy to use walkthrough where it asks you ...