Implementing an automatic water sprinkler system with soil moisture sensor using GSM technology

Samidas, Jessica (2025) Implementing an automatic water sprinkler system with soil moisture sensor using GSM technology. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

Water scarcity is a critical global issue, particularly in agriculture, which accounts for 70% of freshwater usage. Traditional irrigation methods often lead to water wastage, inefficient resource utilization, and inconsistent crop growth. To address these challenges, this study focuses on developing an Automatic Water Sprinkler System equipped with soil moisture, temperature, and humidity sensors, integrated with GSM technology for real-time monitoring and remote control. The primary aim is to optimize water usage and promote sustainable agricultural practices. The research involved designing and testing a prototype system that incorporates sensors, a microcontroller, and GSM modules. The system was tested in a simulated agricultural environment to monitor soil conditions and activate irrigation based on soil moisture thresholds. Alerts and real-time data were sent to users via SMS, while an LCD display provided on-site updates on soil moisture, temperature, and humidity levels. Results demonstrated that the system effectively detects low soil moisture levels (below 5%) and automatically triggers the water sprinkler, significantly reducing water wastage and ensuring optimal irrigation. The integration of GSM technology enabled seamless communication, enhancing system usability in remote agricultural settings. In conclusion, this innovative system underscores the potential of smart irrigation technology to conserve water, improve agricultural productivity, and address water scarcity challenges. Future work could involve refining the system for large-scale deployment and addressing connectivity challenges in remote areas.

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