Quantity   Component name
1 × Arduino Uno https://www.adafruit.com/product/50
1 × RFID reader module http://www.electrodragon.com/product/mifare-rc522-rfid-card-readerdetector-ic-card/
1 × LCD 16x2 I2C Interface https://www.robofun.ro/lcd-16x2-i2c-negru-verde
1 × Cloud platform to match the RFIDs data