Specifications

The main component of the Challenge Kit is the Robot Brain:
The Robot Brain uses the Raspberry Pi Zero W as the main device, the Challenge Kit uses the Raspberry
Pi’s radio and antenna for wireless communication.
The Robot Brain is powered by a built-in Lithium battery.
The motor and sensor peripherals can be connected to the RJ-45 ports on the sides (motor ports) and
on the front (sensor ports).
The built in 8 Ohm speaker is connected to an audio amplifier, and the audio source signal comes from
the Raspberry Pi Zero W.
The Robot Brain is a wireless data transmission system operating at 2400-2483.5MHz band. The Robot
Brain is powered by 3.7Vdc from rechargeable battery and the transmitting frequency is crystal
controlled. The operation is achieved by different combinations of form pulse modulating signal on the
2.4GHz carrier frequency. When the Robot Brain is positioned in the RF field, the high speed RF
communication interface allows the transmission of the data and enable the Bluetooth pairing.
Bluetooth Specification
For BLE
Operation frequency: 2402MHz ~ 2480MHz
Modulation:GFSK
Channel number:40
Channel separation: 2MHz
For BT BR+EDR
Operation frequency: 2402MHz ~ 2480MHz
Modulation:GFSK, π/4DQPSK, 8DPSK
Channel number:79
Channel separation: 1MHz