Article View: sci.electronics
Article #21643Re: Car Detectors for Traffic Lights
From: Keith Lofstrom
Date: Sun, 04 Jun 1989 22:49
Date: Sun, 04 Jun 1989 22:49
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>}~for urban bicyclists; how do you get the left-turn light to change? The sensors are usually inductive - I have had 90% success in laying my bicycle down sideways so the center triangle is over the diamond shaped loop in the street. Some sensors aren't sensitive enough, though, and it's hard to do with a loaded bike. I can imagine a gadget that could spoof such a sensor, perhaps even from a short distance - wouldn't it be nice to trip the sensor 10 seconds before you get there? Oh well, I'm usually riding the bike to GET AWAY from electronics! -- Keith Lofstrom keithl@loop tektronix!tessi!qiclab!loop!keithl Launch Loop, P.O. Box 1538, Portland, Oregon 97207 (503)-628-3645
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!rutgers!mit-eddie!uw-beaver!tektronix!percival!bucket!loop!keithl From: keithl@loop.UUCP (Keith Lofstrom) Newsgroups: sci.electronics Subject: Re: Car Detectors for Traffic Lights Message-ID: <16@loop.UUCP> Date: 4 Jun 89 22:49:40 GMT References: <18811@cup.portal.com> <3185@kitty.uucp> <456@antares.uucp> <806@ivucsb.sba.ca.us> <2388@sigma.UUCP> Reply-To: keithl@loop.UUCP (Keith Lofstrom) Organization: Launch Loop, Portland, OR Lines: 16