osd-contiki/examples/osd/poti/README.md

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Potentiometer Driver
====================
This App allows sending potentiometer values to a remote node. This is
currently used to change colors of the led-strip app but the resource
used and the IP address are configurable -- so we can use it for any
other destination.
The app sends its value to the remote only if the value has changed. In
addition it has a retransmit interval (in seconds) that can retransmit
the value after a timeout if the value has not changed. Setting this
retransmit interval to 0 will turn off the retransmit feature. Note that
we sample the value only every second: We don't want to use up the whole
bandwidth for this app alone.