PIR sensor-based automatic solar-powered UVC LED sterilizer lamp

Mohamed Junaid, K. A.; Sukhi, Y.; Jeyashree, Y.; Mohana Sundaram, K.

doi:10.2478/ijssis-2024-0037

Abstract

A PIR sensor-based automatic solar-powered UVC LED sterilizer lamp is UV-based air disinfection system that kills the microorganisms, including COVID-19 virus, floating freely in the air of a room. This lamp is designed using embedded system for automatic control of UV lamps based on the human presence. This is carefully designed to ensure that the end user is protected. The automatic detection unit shuts OFF the UV in case if a human is detected. The product is PV powered but also has an option with line 220 V mains supply. The bank of UV LEDS is completely enclosed. The battery is charged using a solar panel that has a backup of 8 h. This study includes the design and implementation of PIR sensor-based automatic solar-powered UVC LED sterilizer lamp using the components such as PIR sensor, DC-DC converter, Arduino board, PV panel, battery, charging circuit, and UV LED array.

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PIR sensor-based automatic solar-powered UVC LED sterilizer lamp

Abstract

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