AN588
3. Hardware Overview
Figure 2 and Figure 3 identify the major components of the Sensor Node and the USB Dongle. Both devices come
preloaded with the firmware for the demo application. When using the demo application, ensure that the printed
antenna on the wireless board is not covered by the user ’s fingers. The Sensor Node ships from the factory in a
discharged state. Be sure to fully charge the Node prior to first use. Refer to "8. Additional Information" on page 8
for details and charging times.
Printed
Antenna
Button
Si1012
Thin Film
Battery
Power
Source
Switch
ToolStick
Debug
Connection
Solar Cell
LTC4071
Low Power LDO and
Brownout Detector
Figure 2. Si1012 Sensor Node
The USB Dongle is powered by the PC through the USB connection. Connect the USB Dongle directly to the PC.
No custom drivers need to be installed, as the Dongle is HID-based.
Si4431
printed
antenna
C8051F342
Figure 3. EZRadioPRO Dongle (plastic removed)
2
Rev. 0.2
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