This is tutorial number 1 from our series of Arduino tutorials and in this part I will talk about blinking an LED using the one already available on the Arduino Uno board or using an external LED to ...

RFID Module: Reads the UID from an RFID tag/card. If the UID matches the authorized UID, access is granted. Ensure the RFID tag/card UID matches the authorized UID in the code. Use the potentiometer ...