<![CDATA[Irrigation systems are one of the key factors in supporting agricultural productivity, particularly in rice paddies. This study aims to design an irrigation gate system capable of automatically regulating water flow. The system utilizes a water level sensor (float switch), a fuel sensor, a solenoid valve, a water pump, and an Arduino Uno microcontroller as the main control center, which provides HIGH and LOW digital logic signals to regulate the system’s operating conditions. Test results show that the designed prototype of the automatic water flow gate control system for rice paddy irrigation channels can detect water level conditions based on information from the water level sensor (float switch). When the maximum level is reached, the sensor sends a HIGH signal, which automatically closes the solenoid valve and shuts off the water pump. Conversely, when the rice paddy is dry or the water level reaches the minimum threshold, the system opens the solenoid valve—which acts as the irrigation gate—and activates the pump. This system has been able to operate stably in accordance with the irrigation needs of rice crops in the paddy fields, thereby making farmers’ work easier.]]>
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