Smart Door False Trigger Protection from Long Wire Outdoor Switch Using Galvanic Isolator (PC817) And RC Network
- Author Sudip Chakraborty
- Co-Author Deep Chakraborty
- DOI https://ww
- Country : India
- Subject : Computer Science and Information Sciences
Keywords : Smart Door, False Trigger Protection, Galvanic Isolation, PC817 Optocoupler, RC Network, Home Automation, Security Systems.
Abstract
Smart home security systems increasingly integrate advanced automation solutions to enhance safety and reliability. However, outdoor switches with long wiring can introduce false triggers due to environmental interference, electrical noise, and leakage currents. This paper presents a novel approach to mitigating false triggering in smart doors using a Galvanic Isolator (PC817) and an RC Network. The proposed system effectively isolates and filters unintended signals, ensuring robust and accurate door activation. The PC817 optocoupler prevents direct electrical coupling between the outdoor switch and the control circuit, while the RC network filters transient voltage spikes. Experimental validation demonstrates a significant reduction in false triggering incidents, improving the reliability of the smart door mechanism. This work contributes to advancing secure and stable smart home automation solutions.
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