Implementation of an Automatic Drying Roof Design Using an Arduino Microcontroller
Keywords:
Automatic Roof, Arduino UNO, Rain Sensor, Light Sensor, DHT22 Sensor, Smart Drying, IoT.Abstract
Drying crops, especially rice, is still mostly done manually using direct sunlight. This method has disadvantages because it is highly dependent on unpredictable weather conditions, which can reduce crop quality due to rain or excessive humidity. This study aims to design and implement an automatic drying roof system based on the Arduino UNO R3 microcontroller with the support of rain sensors, light sensors (LDR), and temperature and humidity sensors (DHT22). The method used is experimentation through hardware and software design, followed by testing each sensor and simulating the system as a whole. The results show that the rain sensor can detect water droplets through changes in ADC values, the light sensor can accurately respond to light intensity, and the DHT22 sensor produces temperature and humidity data that is close to the reference values from a digital thermometer. The servo motor works stably at a voltage of 4.92 V to open and close the roof, while the fan turns on automatically when the temperature and humidity exceed the threshold. Overall, this system has been proven to work automatically and in real-time in response to weather changes, thereby increasing drying efficiency, maintaining crop quality, and minimizing farmers' losses due to environmental factors.
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