SISTEM SMART HYDROPONIC BERBASIS ESP32 DENGAN MENGGUNAKAN SENSOR PH, TDS, DAN DHT 11

KHALIL ELHAMDI SIMBOLON, NPM 2208100044 (2026) SISTEM SMART HYDROPONIC BERBASIS ESP32 DENGAN MENGGUNAKAN SENSOR PH, TDS, DAN DHT 11. Skripsi thesis, Universitas Labuhanbatu.

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Abstract

Hidroponik merupakan metode budidaya tanaman tanpa menggunakan tanah yang memerlukan pengendalian kualitas larutan nutrisi dan kondisi lingkungan agar pertumbuhan tanaman berlangsung secara optimal. Parameter seperti derajat keasaman (pH), Total Dissolved Solids (TDS), suhu, dan kelembaban udara perlu diawasi secara berkala karena mempengaruhi pertumbuhan tanaman. Pemantauan yang masih dilakukan secara manual dinilai kurang efisien, sehingga diperlukan sistem pemantauan berbasis Internet of Things (IoT). Penelitian ini bertujuan merancang dan mengimplementasikan sistem Smart Hydroponic berbasis ESP32 dengan memanfaatkan sensor pH, sensor TDS, dan sensor DHT11 untuk melakukan pemantauan kondisi hidroponik secara real-time. Metode penelitian yang digunakan adalah Research and Development (R&D) yang meliputi analisis kebutuhan, perancangan, implementasi, dan pengujian sistem. Data yang diperoleh dari sensor diproses oleh ESP32, kemudian ditampilkan pada LCD 20×4 I2C dan dikirim melalui jaringan WiFi ke aplikasi Blynk sehingga kondisi hidroponik dapat mendeteksi dari jarak jauh.Hasil pengujian menunjukkan bahwa sistem berhasil berfungsi sesuai dengan rencana. Sensor DHT11 menghasilkan pembacaan suhu 36,9°C dan kelembaban 54%. Sensor TDS memperoleh nilai 338 ppm, sedangkan alat ukur referensi menunjukkan 374 ppm dengan tingkat galat sekitar 9,63%. Sensor pH mampu mendeteksi tingkat keasaman larutan nutrisi dengan baik setelah dilakukan kalibrasi. Seluruh data sensor berhasil ditampilkan pada LCD dan aplikasi Blynk secara real-time. Berdasarkan hasil penelitian, sistem Smart Hydroponic berbasis ESP32 berhasil diimplementasikan dan mampu memadukan kondisi hidroponik secara real-time, sehingga membantu pengguna dalam mengawasi kualitas nutrisi dan kondisi lingkungan secara lebih efektif dan efisien. Kata Kunci : Smart Hydroponic, Internet of Things (IoT), ESP32, Sensor pH, Sensor TDS, DHT11, Blynk. ===================================================================== Hydroponics is a method of cultivating plants without using soil that requires controlling the quality of nutrient solutions and environmental conditions for optimal plant growth. Parameters such as acidity (pH), Total Dissolved Solids (TDS), temperature, and humidity need to be monitored regularly because they affect plant growth. Monitoring that is still done manually is considered less efficient, so an Internet of Things (IoT)-based monitoring system is needed. This study aims to design and implement an ESP32-based Smart Hydroponic system by utilizing pH sensors, TDS sensors, and DHT11 sensors to monitor hydroponic conditions in real-time. The research method used is Research and Development (R&D) which includes needs analysis, design, implementation, and system testing. Data obtained from the sensors are processed by the ESP32, then displayed on a 20x4 I2C LCD and sent via a WiFi network to the Blynk application so that hydroponic conditions can be detected remotely. The test results show that the system is functioning successfully according to plan. The DHT11 sensor produces a temperature reading of 36.9°C and humidity of 54%. The TDS sensor obtained a value of 338 ppm, while the reference meter showed 374 ppm, with an error rate of approximately 9.63%. The pH sensor was able to detect the acidity of the nutrient solution effectively after calibration. All sensor data was successfully displayed on the LCD and the Blynk application in real time. Based on the research results, the ESP32-based Smart Hydroponic system was successfully implemented and is able to integrate hydroponic conditions in real time, thus helping users monitor nutrient quality and environmental conditions more effectively and efficiently. Keywords : Smart Hydroponic, Internet of Things (IoT), ESP32, pH Sensor, TDS Sensor, DHT11, Blynk.

Item Type:	Thesis (Skripsi)
Uncontrolled Keywords:	Smart Hydroponic, Internet of Things (IoT), ESP32, Sensor pH, Sensor TDS, DHT11, Blynk. =========================================== Smart Hydroponic, Internet of Things (IoT), ESP32, pH Sensor, TDS Sensor, DHT11, Blynk.
Subjects:	S Agriculture > S Agriculture (General) S Agriculture > SB Plant culture T Technology > T Technology (General)
Divisions:	Fakultas Sains Dan Teknologi > Teknologi Informasi
Depositing User:	Unnamed user with email repository@ulb.ac.id
Date Deposited:	03 Sep 2026 07:29
Last Modified:	03 Sep 2026 07:29
URI:	http://repository.ulb.ac.id/id/eprint/2739

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