Abstract: In Iraq one of the risks faced by agriculture sector is inadequacy of rain water during dry season for irrigation and the lack of technology such as irrigation system to support the farmer, causing the production of crops to be hugely affected. This problem inspired to the idea of having an auto watering system that able to cope with this situation. Auto watering system is a system which consists of an Arduino Uno, a self-made moisture sensor, a relay board, an electronic pump and a GSM system to observe the operation of watering system. The watering system developed is suitable for any plant, since, the system able to customize with different sand and with different plant that need different kind amount of water.