Put that timing information in the RFID card - and of course make sure you have a card that's doing a lot more than just providing an ID.
The reprogramming would then be done by changing the info on the RFID card rather than on the Arduino side.
Put that timing information in the RFID card - and of course make sure you have a card that's doing a lot more than just providing an ID.
The reprogramming would then be done by changing the info on the RFID card rather than on the Arduino side.