Management RFID with payment system

project n.1 Create station for timed showers or hair dryer, with RFID system and credit management to scale € 0.20 for click Used material: Arduino mega 2560 RTC ds3231 Mifare RFID antenna 522 DataLogger display 2004 L2C driver n. 10 relays n. 10 Buttons Operation: Approach rfid card residual credit calculation Button selection (1,2 ... 10) Scale credit € 0.20 Water Or Phon delivery for 4 minutes project n.2 Establish station to charge RFID credit € 1.2 3,4, 5, 10,15 20 charges Used material: Arduino mega 2560 RTC ds3231 Mifare RFID antenna 522 DataLogger 2004 L2C driver display Keyboard Operation: Administrator Function Adding Cards Recharge card View Residual Credit The work to do is: hardware assembly scheme with connections and file programming