How Does a Rain Sensor Work and how to Interface it with Arduino?

Optical Rain Sensor | How Does a Rain Sensor Work?

Visual Rain Sensor

66K views · 40 reactions | Now is a great time to add a rain or moisture sensor to your smart irrigation system. Installing a sensor will turn your sprinklers off for you, so you don’t over water and just let the rain do the work. Add a rain sensor and you could save up to 30% on your water use. Small changes make a BIG impact. | Save Our Water | Facebook

Mounting Rain Sensors

Installing A Rain Bird Wireless Rain Sensor | Sprinkler School

Soil Moisture Sensor with Arduino

How to use Raindrop Sensor with Arduino Leonardo

Interfacing Arduino With Rain Sensor