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1. Power supply
You can apply power supply to the board
using
MINI-B USB
cable provided with
the board. On-board voltage regulators
provide the appropriate voltage levels
to each component on the board.
Power
LED (GREEN)
will indicate the presence of
power supply.
You can also power the board using
Li-Polymer
battery,
via on-board battery connector. On-board battery charger
circuit
MCP73832
enables you to charge the battery
over USB connection.
LED diode (RED)
will indicate
when 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
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