Google Answers: Looking for Inexpensive Photocell Race Timing Devices

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Q: Looking for Inexpensive Photocell Race Timing Devices ( No Answer, 0 Comments )

Question

Subject: Looking for Inexpensive Photocell Race Timing Devices
Category: Computers > Hardware
Asked by: jthoma1-ga
List Price: $7.00

Posted: 17 Jul 2003 12:20 PDT
Expires: 22 Jul 2003 14:13 PDT
Question ID: 232107

I'm looking for a list of Photocell / infrared devices that interface
with a computer via parallel/usb/com ports.  I am interested to track
people running through a 3 to 4 ft opening (doorway).  I have found a
few systems, but they are very expensive.  I would prefer not pay more
than $100 per photocell device.

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