RANCANG BANGUN SISTEM MONITORING KETINGGIAN AIR, DEBIT AIR, DAN CURAH HUJAN PADA SALURAN U-DITCH BERBASIS LORA DAN IOT

MUHAMMAD FAJAR RIVALDI, . (2026) RANCANG BANGUN SISTEM MONITORING KETINGGIAN AIR, DEBIT AIR, DAN CURAH HUJAN PADA SALURAN U-DITCH BERBASIS LORA DAN IOT. Sarjana thesis, UNIVERSITAS NEGERI JAKARTA.

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Abstract

Penelitian ini bertujuan untuk merancang dan menguji sistem monitoring ketinggian air, debit air, dan curah hujan pada saluran U-Ditch berbasis LoRa dan Internet of Things (IoT) sebagai sarana penyedia informasi untuk meningkatkan kesiapsiagaan pengguna pada musim hujan. Metode penelitian yang digunakan adalah Research and Development (R&D) dengan model V yang meliputi tahap verifikasi dan validasi. Sistem yang dikembangkan menggunakan mikrokontroler ESP32, modul komunikasi LoRa SX1278 433 MHz, sensor ultrasonik JSN-SR04T untuk pengukuran ketinggian air, sensor YF-S201 untuk pengukuran debit air, sensor curah hujan tipe tipping bucket, serta modul RTC DS3231 sebagai modul waktu. Data hasil pengukuran ditampilkan secara lokal melalui LCD, LED, dan buzzer sebagai indikator peringatan, serta dikirimkan secara nirkabel menggunakan LoRa ke perangkat penerima. Data selanjutnya divisualisasikan melalui platform Blynk apabila perangkat penerima terhubung ke internet. Hasil pengujian menunjukkan bahwa sensor ketinggian air memiliki tingkat error sebesar 0,056%, sensor debit air sebesar 0,871%, dan sensor curah hujan mampu mendeteksi curah hujan secara konsisten berdasarkan kalibrasi 0,8 mm per tip. Selain itu, komunikasi LoRa dapat beroperasi secara stabil pada jarak efektif sekitar 200 meter dalam kondisi Non-Line-of-Sight (NLOS). ***** This study aims to design and test a LoRa- and Internet of Things (IoT)-based monitoring system for water level, water discharge, and rainfall in U-Ditch drainage channels to enhance user preparedness during the rainy season. The research method employed is Research and Development (R&D) using the V-model, which includes verification and validation stages. The developed system utilizes an ESP32 microcontroller, a LoRa SX1278 433 MHz communication module, a JSN-SR04T ultrasonic sensor for water level measurement, a YF-S201 sensor for water discharge measurement, a tipping bucket rainfall sensor, and a DS3231 real-time clock (RTC) module. Measurement data are displayed locally via an LCD, LEDs, and a buzzer as warning indicators and are wirelessly transmitted using LoRa to a receiver device. The data are then visualized through the Blynk platform when the receiver is connected to the internet. Test results show that the water level sensor has an error rate of 0,056%, the water discharge sensor has an error rate of 0,871%, and the rainfall sensor consistently detects rainfall based on a calibrated value of 0,8 mm per tip. Furthermore, the LoRa communication operates stably at an effective distance of approximately 200 meters under Non-Line-of-Sight (NLOS) conditions.

Item Type:	Thesis (Sarjana)
Additional Information:	1). Prof. Dr. Efri Sandi, S.Pd., M.T.; 2). Drs. Pitoyo Yuliatmojo, M.T.
Subjects:	Teknologi dan Ilmu Terapan > Teknik Elektronika
Divisions:	FT > S1 Pendidikan Teknik Elektronika
Depositing User:	Muhammad Fajar Rivaldi
Date Deposited:	03 Feb 2026 06:49
Last Modified:	03 Feb 2026 06:49
URI:	http://repository.unj.ac.id/id/eprint/64803

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