Design and analysis LoRa-based sensor system for aquaculture

Azlan, Aizzal (2021) Design and analysis LoRa-based sensor system for aquaculture. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

This thesis presents a development of LoRa-Based Sensor System for Aquaculture. The quality of the aquaculture can be maintained by good quality of water. Real-time monitoring, analyzing and observation can improve the quality index of water. A lot of places within Malaysia is now trying to venture into this Aquaculture industry. However, environmental, water quality and parasite can affect the habitat of aquaculture. In producing the system, a 915MHz LoRa Shield is used as the medium of data transmission. The system is consisting of two parts which the first part is the transmitter where LoRa Shield, DHT11, DS18B20 and Total Dissolved Solids Sensor is attached to Arduino UNO. Another part is the receiver part which LoRa Shield is attached to Arduino UNO and connected to personal computer. Three sensors are used which are to detect humidity, temperature, water temperature and total dissolved solids and then will be sent to receiver through wireless communication. An actual test had been done where the Received Signal Strength Indicator with maximum value of - 74dBm and minimum value of -110dBm and Signal-Noise Ratio with maximum value of -9dB and minimum value of -7.75dB is acquired for every 100m of 1.5km distance. As per the parameters, all the data is gathered for 48 hours at each of individual locations. The data can be concluded that the performance of each sensor is accurate due to results gathered. The prototype system can improve the aquacultural technology monitoring system to help reduce human energy consumption and quickly solve problems in the event of a disaster.

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