[aprssig] APRS event counter
scott at opentrac.org
Tue Dec 28 16:07:35 CST 2004
I'm working on adding a new feature to the OpenTracker that'll let you count
events on one of its input pins. It'll probably have a couple of modes -
number of counts since reset, number of counts since last transmit, and
maybe counts per hour. I'm looking for ideas on possible inputs. Some
Lightning counter. Simple two-transistor circuit to detect nearby strikes.
Geiger counter. Already have one of these using a similar processor.
Traffic counter. Could be used with an IR sensor for trail traffic
The counter input triggers on a falling edge and has an internal pull-up
resistor. If anyone's got ideas for other uses, let me know and I'll do
what I can to make it useful for that application and maybe set up an
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