This project is the third choice tools tree is intended to reduce problems in tree care. The energy-saving and time-saving help It also takes advantage of the occupation on the plant. Control plants using on-board microcontroller see Ono. Use a soil moisture sensor determines the water. And can choose the time of watering by the time the real-time signal microcontroller to control the on - off solenoid valve at the relay. The results showed that Air to water the plants work as defined in the program.