[aprssig] neat project?
bruninga at usna.edu
Thu Apr 19 19:11:08 CDT 2007
> Guys, does this sound like right up Bob Bruninga's
> alley? Hotwheels (mattel) makes a radar gun sold
> at walmart and the like for about $20 to $30.
> Wouldn't it be cool to hack it to get the doppler
> shift out as a 0-5v voltage and have a PIC measure
> the speed of traffic. Then drop them on the side
> of the road at pinch points and transmit the traffic
> on aprs!
Exactly! That was the APRS plan back in 1996 or so when we
first introduced the APRS sign-post SYMBOL. To show the speed
of traffic past a point. I never had time to develop a good
sensor. Google APRS TRAFFIC.TXT
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