An RFID-based attendance system transforms the tedious task of manual attendance tracking into an automated, error-free process. What makes this project particularly exciting is how a few inexpensive ...

This is a proof of concept for connected office furniture featuring one RFID RC522 module connected to a Arduino Nano ESP32 getting commands from a RFID card and broadcasting the command through Wi-Fi ...

I just received my RC522 RFID reader and made this simple Arduino access control system that uses the reader, a buzzer for the alarm and a relay shield for the security system. The relay can be used ...

The project uses short delays to avoid multiple quick reads (delay(1500)). There’s a missing 220Ω resistor on the red LED. I just didn't have one so I used a short delay to flash the LED to limit ...

Electronics developer and Kickstarter serial entrepreneur Patrick Thomas Mitchell who we have featured numerous times here on Geeky Gadgets has once again taken to the crowdfunding website with the ...