XNote Stopwatch

XNote Stopwatch forum

Skip to content

Trigger at distant spot

Post a reply


This question is a means of preventing automated form submissions by spambots.
Smilies
:D :) ;) :( :o :shock: :? 8-) :lol: :x :P :oops: :cry: :evil: :twisted: :roll: :!: :?: :idea: :arrow: :| :mrgreen: :geek: :ugeek:
BBCode is ON
[img] is ON
[flash] is ON
[url] is ON
Smilies are ON
Topic review
   

If you wish to attach one or more files enter the details below.

Expand view Topic review: Trigger at distant spot

Re: Speed trap timer

Post by roger beep » Wed Jan 19, 2011 3:00 am

Understand. Photocell is a switch. If distance is too great for cables I would like to know if anyone has a good system of wireless connection to a computer. I have since found in the forum a post by "aussie phil" dated oct 29 2009 number 898 and would like to try that idea. Anyone else with this? I need to put a sensor on a start line, another on a finish line and both send to a remote computer for the XL results sheet. Anyone tried two starters on the same track at once with an interval of say 1 minute? How would finish line identify each?

Re: Speed trap timer

Post by Stopwatch » Mon Jan 17, 2011 11:42 am

roger wrote:Interested to know how the signals from your photocells were transmitted to the computer?

Actually signals are not initiated by photocells. Photocells just "connects" supplied voltage from PC from one pin to another.

Trigger at distant spot

Post by roger » Mon Jan 17, 2011 7:05 am

Interested to know how the signals from your photocells were transmitted to the computer?

Top

Powered by phpBB® Forum Software © phpBB Group