Design and improvement of anti-child locking system in vehicle

Ali, Muhammad Yusoff (2025) Design and improvement of anti-child locking system in vehicle. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

Text (Full Text) Design and improvement of anti-child locking system in vehicle.pdf - Submitted Version Download (9MB)

Abstract

People nowadays often prioritize their work and careers to support their lives, sometimes neglecting their immediate surroundings. This behavior can contribute to an increasing number of children who become trapped in vehicles, sometimes with fatal outcomes due to heatstroke after being left in vehicle. Thus, to encounter this problem the Anti-Child Locking System in Vehicles was designed and developed to address the critical issue of child entrapment in vehicles, which can result in life-threatening conditions such as heatstroke and suffocation. This innovative system objectives were to integrates with additional sustainable, solar-powered technology with advanced sensors and communication modules to ensure timely detection and response to hazardous conditions inside the vehicle. At its core, the system is built on an Arduino UNO microcontroller, supported by a polycrystalline solar panel and a sealed lead-acid battery to provide continuous operation even when the vehicle's ignition is off. The system incorporates a Passive Infrared (PIR) motion sensor to detect human presence, an NTC thermistor for real-time temperature monitoring, and an MQ-135 gas sensor to measure CO₂ concentration. Upon detecting motion or exceeding predefined thresholds for temperature at 45°C or CO₂ levels at 800 ppm, as the final objective of the project, the system triggers a GSM module to send text alerts and make missed phone calls, while simultaneously activating an LED alarm light to alert nearby individuals. The system's performance was rigorously tested under real-world scenarios for days, demonstrating its reliability in monitoring environmental conditions, transmitting data via IoT platforms like ThingSpeak, and issuing real-time alerts through Arduino IDE. Comparative data analysis revealed its responsiveness in detecting and mitigating risks, with the solar-powered design ensuring sustained functionality without depleting the vehicle’s primary battery. This project offers a commercially viable, portable, and easy-to-install solution for enhancing child safety in vehicles. By leveraging renewable energy and smart technology, the Anti-Child Locking System provides a practical and effective safeguard, paving the way for broader adoption in both individual and industrial contexts to reduce preventable child injuries and fatalities.

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