This paper presents a monitor and a remote control of water level system with automatic operation, this system is considered an application of wireless sensor network. The network of the presented system is consist of two main parts: the main station part which is considered as the gateway node and Raspberry Pi used for this purpose and the second part is the control node which is used Arduino Uno board to control the level of water according to the value of the connected sensor. The ultrasonic sensor is used to detect the water level and a relay board is used to change the state of the water pump. ZigBee technology is used as the wireless communication between the main station and the control node which provided low data rate with low power and low cost. The overall system provided accessing from a remote location by using any web browser and it used a contactless method to detect the water level with increasing the safety and reliability.
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