- ARM 9 Processor
- USB 2.0 Client Interface (mini)
- USB 1.2 Host Interface (standard)
- Bluetooth Communication
- SD Card Reader (micro)
- Monocrome Display (178x128)
- Sound Output (speaker ΓΈ23)
- 6 Button User Interface
- Button Ilumination (individual red and green LEDs x2)
- 4 Output Ports (RJ12 6 wire)
- 4 Input Ports (RJ12 6 wire)
- Analog (10 bits), Digital, I2C (11Kbit/S), UART (230,4Kbit/S)
- Power
- 6 x AA Batteries
- Rechargeable Battery (NXT power density)
LEGO® Robotics Firmware Documentation
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