RFID Door Security System with Room Lighting

Опубликовано: 29 Июль 2026
на канале: Rucksikaa Raajkumar
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Hey friends,
Today I am going to present my RFID door security system with room lighting. Initially, I used the MC-38 Wired Magnetic Door/ Window sensor to detect whether the door is open or closed; unfortunately, the contacts within reed switch in the sensor got burnt out because of some faulty coding. Afterwards, I used the Mini Reed module (KY-021) and it did not work as well. I used the Hall Magnetic sensor module (KY-003) but it required a strong magnet. Finally, I decided to use the Laser transmitter module (KY-008) and the photoresistor module (KY-018). This concept was used in one of my previous projects (Safety box using Arduino). I taped a cardboard box to my door to act as an interrupter.

Please visit my blog to read about how I made this project (Codes available):
https://arduinoprojectsbyr.blogspot.c...

If anyone has any questions, or suggestions, about this project, please comment below or send me an email to [email protected]

Safety box using Arduino:
   • Safety box using Arduino - Laser transmitt...  

Visit my blog to learn about many other projects:
https://arduinoprojectsbyr.blogspot.c...