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 ...

RFID Module: Reads the UID from an RFID tag/card. If the UID matches the authorized UID, access is granted. This project is open-source and can be freely used for educational purposes. I demonstrate ...

This contains 3 sketches that you will upload to your Arduino board and the wiring diagram to reference when configuring our hardware. The first two are used to initialize our projects and Sketch 3 ...

Abstract: Identification of corrosion in the tool industry is very important because it minimizes the impacts and losses due to damage to the tools used. Although there is already a corrosion ...