Arduino Code
Main repository - https://github.com/Edragon/Arduino
Folders
74HC595 Display Header - Arduino/Sketchbook/Interactive/seg_display-74HC595/
Sensor
RFID
MFRC522
- Library in folder Arduino/libraries/Rfid-master2/
- Arduino/Sketchbook/RF/16-RFID/HF/ED RFID RC522 module arduino code.pde