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[aprssig] Variable Resistor on KPC3+?

Jack Cavanagh cjcav at earthlink.net
Wed Feb 15 19:10:25 UTC 2006


See
http://www.kantronics.com/documents/kpc3ppinout.pdf

Pin1 is the frmae ground
Pin13 is analog channel 1 input
Pin 15 is not used.

This suggests that the KPC-3+ was modified to monitor some voltage with 
the telemetry function.  I have seen this arrangement used to monitor 
supply votage or digi temperature.  WB4APR has suggested several uses 
for the KPC-3+ telemetry channels over the years on this sig.

Jack/KB4XF






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