Simultaneous Hydroponic Nutrient Control Automation System Based on Internet of Things

Demi Adidrana - Institut Teknologi Telkom Jakarta, West Jakarta, 11710, Indonesia
Ade Rahmat Iskandar - Institut Teknologi Telkom Jakarta, West Jakarta, 11710, Indonesia
Ade Nurhayati - Institut Teknologi Telkom Jakarta, West Jakarta, 11710, Indonesia
- Suyatno - Institut Teknologi Telkom Jakarta, West Jakarta, 11710, Indonesia
Mohamad Ramdhani - Telkom University, Bandung, 40257, Indonesia
Kharisma Bani Adam - Telkom University, Bandung, 40257, Indonesia
Rizki Ardianto - Telkom University, Bandung, 40257, Indonesia
Cahyantari Ekaputri - Telkom University, Bandung, 40257, Indonesia

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Hydroponic is one of the solutions of gardening methods using water as a nutrition medium. Usually, maintaining hydroponic plant quality and water nutrients are done manually and require human efforts, such as the degree of acidity or wetness (pH), TDS (Total Dissolved Solids), and nutrient temperature. With the Internet of Things technology, we can automate hydroponic control by measuring the nutrients' TDS, pH, and temperature values and controlling water nutrition by pump nutrition needs for hydroponic plants. This research uses the NFT (Nutrient Film Technique) for the hydroponic system and uses lettuce as the nutrition parameter. The lettuce parameters are pH, TDS, and Water Temperature equal to the sensor we used in the proposed IoT system. The condition has 27 classifications, and we use this classification as a reference in decision-making, using the K-Nearest Neighbor (KNN) algorithm to activate the actuator. We improve the simultaneous actuator from previous research with specified intervals and duration to achieve ideal nutritional conditions. The other improvement is that we collect more data and more testing times. The accuracy was 91.2%, with k = 3. From the evaluation results, the accuracy of KNN is quite high and has an advantage, which has better accuracy than the other algorithms and can activate actuator simultaneously. We conclude that the hydroponic nutrient automation system using the Internet of Things method is ready for real planting use with this improvement.


Hydroponic; Internet of Things; K-Nearest Neighbor

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