An automatic toll gate system using Arduino revolutionises traditional toll collection by eliminating manual intervention.

Arduino UNO/Nano/Mega operates at 5V logic. However, the MFRC522 works at 3.3V logic level, and is not 5V tolerant. If using one of these microprocessors: The solution to both a.) and b.) is trivially ...

In file included from firmware_check.ino:28: C:\Program Files\Arduino\libraries\rfid/MFRC522.h:276: error: use of enum 'PICC_Type' without previous declaration C ...

Arduino RFID technology works by using electromagnetic waves in the radio frequency spectrum for wireless communication and data transfer between RFID tags and readers. From supermarket anti-theft ...