Tapping the 'Tmoney' card to the NFC module displays the remaining balance on the OLED screen, offers the most intuitive way to check the balance on the card.
          arduino          cplusplus          bus          transportation          iot-platform          rfid          nfc          subway          ssd1306          pn532          esp8266-esp-12e          esp12e          esp12-e          ssd1306-oled          tmoney-card          metrocard          cardbalance      
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            Updated
            
Aug 28, 2025  - C++