This is a summary of the moisture sensor can be used to detect soil moisture, when the soil water, the analog value of the sensor output will decrease, and vice versa will increase. Using this sensor make an automatic watering system, when you are not at home or over a long period of time watering, it can sense whether your plants already thirsty. Prevent plants withered know that this is caused by lack of water. With Arduino controller to make your plants more comfortable, garden smarter.

Sensor surface made of metal processing, it can extend its life. Insert it into the soil, then read it using the AD converter. In its help, the plant will remind you : I want to drink, please give me a little water to drink me.