3.3 Power Supply
N20 demo board supports two ways of power supply:
5V/2A DC power supply adapter
USB
3.3.1 5 V/2A Adapter
The demo board uses 5 V power supply. Plug the output end of the adapter to the DC connector on the
demo board. Pull the power supply switch to the DC5V side.
The following figure shows the recommended connection between 5 V/2A adapter and the demo board.
3.3.2 USB Cable
The following figure shows the Micro-USB cable used to connect the board to a computer for power
supply and data communication.