This project will show you how to build an irrigation controller for a home garden. Capable of measuring soil moisture readings and activating irrigation from a garden tap if the soil becomes too dry. The controller also includes a temperature and humidity sensor. The controller will not activate the garden tap if the temperature is too low. Sensor readings and statistics about water usage / run times are recorded on ThingsBoard IOT for visualisation and analytics. Alerts and emails are triggered if the irrigation controller stops transmitting data, the soil becomes too dry or too saturated… read more on Instructables