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From: "Phil Allison"
Subject: Re: Detecting moment when a fast moving object passes over a line
X-Newsreader: Microsoft Outlook Express 5.50.4522.1200
Date: Sun, 24 Nov 2002 09:30:44 +1100
NNTP-Posting-Date: Sun, 24 Nov 2002 09:20:29 EST
Organization: Telstra BigPond Internet Services (http://www.bigpond.com)
"Richard Sim" wrote in message
> Hi, I'm working on a project currently that's for automatic lap scoring in
> radio controlled car races, where the cars may be travelling in excess of
> 40-50 MPH at the point where they cross over the start/finish line, and
> several cars may pass over the line within close proximity of eachother.
> The cars will have "transponders" in them, which detect when they cross
> the start/finish line, and send a signal to a reciever/decoder that's
> connected to a PC.
** Such systems as you want are commercially available - as I bet you
are already aware. I did model electric RC car racing as a hobby for a
while and the topic of transponders etc was one of considerable interest and
often discussed since a similar system was needed for model boat racing.
Be assurred that is is NO task for a beginner to tackle.
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