This specific code runs for ultrasonic sensor and gives high alert if there is motion beyond 20cm. Additionally if we use RFID tag ultrasonic sensor stops functioning and gives authorized access to make motion.

Dependencies:   MFRC522

History

This includes for the module RFID as well as ultrasonic sensor default tip

2019-12-16, by VPKD1669 [Mon, 16 Dec 2019 17:44:49 +0000] rev 0

This includes for the module RFID as well as ultrasonic sensor