Rachio 3 WiFi Smart Lawn Sprinkler Controller Review By Tom Konor | In Rachio Smart Sprinkler Controller | On August 19, 2018 Rachio 3 WiFi Smart Lawn Sprinkler The Internet of Things has finally allowed us to own products that we tend to use daily, but with a nice twist.With the help of an app and a network such as Wi-Fi, you can finally use some daily products...