Here is another smart tool that helps you take better care of your garden. The Melnor Raincloud is an internet connected garden watering timer that you can control from your smartphone or tablet. It has a plug & play design and supports up to 4 different zones with 1 faucet.
You can add the AquaSentry Moisture Sensor to detect soil moisture and optimize automatic watering. Scheduling can be done on iOS and Android devices.