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1. Power supply
You can power up the board using the
MINI-B
USB
cable provided in the package. On-board
voltage regulators provide the appropriate
voltage levels to each component on the
board.
Power LED (GREEN)
will indicate the
presence of a power supply.
You can also power the board with a
Li-Polymer
battery,
using the on-board battery connector. On-board battery
charger circuit
MCP73832
enables you to charge the
battery over the USB connection.
LED diode (RED)
will
indicate when the battery is charging. Charging current is
~250mA and charging voltage is 4.2V DC.
Battery power supply
USB power supply
Figure 1-1: Connecting
USB power supply
Figure 1-2: Connecting Li-Polymer battery
