Quantity   Component name
1 × Arduino Mega 2560 & Genuino Mega 2560
1 × Arduino Nano R3
1 × RFID IC, 13.56 MHz
1 × HC-05 Bluetooth Module
1 × Temperature Sensor
1 × ElectroPeak 0.96" OLED 64x128 Display Module
1 × Maxim Integrated DS3231M - ±5ppm, I2C Real-Time ClockPlease check schem for more