R F - t o - U S B - R D
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Rev. 0.1
Figure 4. RF to USB Network Demo Application Initial Screen
5. Insert the AAA battery. If the battery has already been installed, please remove the AAA battery, press the
button for at least one second to discharge the capacitor, release the button, then re-insert the battery. This will
reset the MCU on the Sensor Node. Resetting the MCU will reset the Network application and put the Sensor
Node in the correct starting state for the Network Demo.
6. On the Sensor Node, press the button. This will wake the MCU from sleep mode. The first time the button is
pressed the Sensor Node will attempt to associate with the USB Dongle.The Sensor Node will blink green when
transmitting and may blink red if association is unsuccessful.
7. After successful association, and upon each subsequent button press, the Sensor Node will transmit the
potentiometer position and temperature data from the on-chip temperature sensor. It will wake up twice a
second for 10 seconds to transmit data. After 10 seconds, the Sensor Node will go into ultra-low power sleep
mode until the next button press. The Sensor Node will blink green each time it wakes up and transmits
data.The Sensor Node may also blink red if the Sensor Node does not receive an acknowledgement from the
USB Dongle. The USB Dongle will blink green each time it successfully receives a valid packet.
8. The PC application will designate the first Sensor Node to associate as Node 1. The temperature and
potentiometer setting will displayed in the Node 1 section. Rotate the potentiometer on the Sensor Node while
the green LED is blinking to see it dynamically update in the application.
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