PERANCANGAN SISTEM MONITORING KECEPATAN ALIRAN DAN KETINGGIAN AIR SUNGAI BERBASIS IOT

RAHMADHAN, M FACHRI and Rifai, Ahmad and Sembiring, Sarmayanta (2025) PERANCANGAN SISTEM MONITORING KECEPATAN ALIRAN DAN KETINGGIAN AIR SUNGAI BERBASIS IOT. Diploma thesis, Sriwijaya University.

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Abstract

Real-time river monitoring is crucial for increasing awareness of changes in river surface height and flow velocity, as well as helping reduce the risk of disasters such as flooding. One of the main challenges is heavy rainfall, which can cause sudden water rises. This research aims to design an Internet of Things (IoT)-based river flow and water level monitoring system. The system uses optocoupler sensors and rotary encoders to measure water flow velocity using the pulse timing method, which calculates the time difference between digital pulses from the rotation of the waterwheel. The obtained period value is used to calculate the velocity. Two BMP280 sensors are used to read air pressure, which is then converted into water level using a linear regression method. An ESP32 microcontroller serves as a control center that sends data to the Blynk application. Test results show that the system is able to detect water velocity and height with an error below 10%, making it suitable for use as a river monitoring tool and flood early warning system.

Item Type:	Thesis (Diploma)
Uncontrolled Keywords:	Internet of Things, ESP32, Blynk, river monitoring, flow speed, water level, Air Pressure, Optocoupler Sensor, BMP280 Sensor.
Subjects:	T Technology > T Technology (General) > T1-995 Technology (General)
Divisions:	09-Faculty of Computer Science > 56401-Computer Engineering (D3)
Depositing User:	M Fachri Rahmadhan
Date Deposited:	04 Aug 2025 02:09
Last Modified:	04 Aug 2025 02:09
URI:	http://repository.unsri.ac.id/id/eprint/182150

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