Help With MFRC522 code - Trying to supress duplicate entries

[Moors7]

This might be interesting as well:

Spark-bouncer - Cloud+RFID based door access control - configure rules via cloud calls, handle >3000 keys on flash storage, live logging via publish, RFID OTP read/write/compares, bling!

Dear spark community, I would love to share my fresh open source Spark based project with you - to invite you to contribute, use, share and love the spark-bouncer! https://github.com/rastapasta/spark-bouncer With big thanks to @mdma for his flashee-eeprom library and the folks in the getting the rfid rc522 to work thread. [spark-bouncer logo] Overview spark-bouncer is a security focused door access control system built on top of the Spark Core platform. It utilizes the user flash memory to…