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Detecting Vehicles Coming Up Our Driveway

W

W. W.

Jan 1, 1970
0
(I don't believe this got posted properly, so I doing it again.)
I believe someone mfgers a device that can be placed along a driveway, and
when a vehicle passes by it sends a wireless signal to an alarm in a home to
signal the event. Whoa! As I was typing this, it occurred to me that I might
have bookmakred such a site once. Here it is <http://www.drivewayalarm.com/>
Are there others? The price of the 1000' alarm is a bit much, $179.

Wayne T. Watson (Watson Adventures, Prop., Nevada City, CA)
(121.015 Deg. W, 39.262 Deg. N) GMT-8 hr std. time)
Obz Site: 39° 15' 7" N, 121° 2' 32" W, 2700 feet
 
P

Puckdropper

Jan 1, 1970
0
(I don't believe this got posted properly, so I doing it again.)
I believe someone mfgers a device that can be placed along a driveway,
and when a vehicle passes by it sends a wireless signal to an alarm in
a home to signal the event. Whoa! As I was typing this, it occurred to
me that I might have bookmakred such a site once. Here it is
<http://www.drivewayalarm.com/> Are there others? The price of the
1000' alarm is a bit much, $179.

Wayne T. Watson (Watson Adventures, Prop., Nevada City, CA)
(121.015 Deg. W, 39.262 Deg. N) GMT-8 hr std. time)
Obz Site: 39° 15' 7" N, 121° 2' 32" W, 2700 feet

Model Railroaders have had this basic problem solved for years:
IR Detector - http://mrollins.com/irled.html
Photocell Detector - http://mrollins.com/photodet.html

Both are on this page:
http://mrollins.com/circuit.html

Puckdropper
 
J

John Fields

Jan 1, 1970
0
(I don't believe this got posted properly, so I doing it again.)
I believe someone mfgers a device that can be placed along a driveway, and
when a vehicle passes by it sends a wireless signal to an alarm in a home to
signal the event. Whoa! As I was typing this, it occurred to me that I might
have bookmakred such a site once. Here it is <http://www.drivewayalarm.com/>
Are there others? The price of the 1000' alarm is a bit much, $179.
 
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