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· Greg Gaub
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17,565 Posts
Err... no, the types are different. One emits light, the other senses it.
The car has an LED that emits light. Light Emitting Diode.
The track has a IR photodiode, or TSOP sensor, which detects the light.
I'm pretty sure they are different, and not interchangeable.
The only people putting LEDs into track are Scorpius people. Otherwise, they're putting sensors into the track, usually TSOP.
 

· Greg Gaub
Joined
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17,565 Posts
I guess I never mentioned it, but no one will be surprised when I reveal that I am a stay at home dad. Some call it unemployed, since I'm a man, not a woman. Anyway, other than errands and such, I'm pretty much always at home. This is why I'm able to post so prolifically and at almost all hours (except for sleeping hours in the western USA ;-). I could also say that I'm "always at work", though even I don't really consider it work. Any employment I've had in the last 16 years has been working from home, as well. I'm on the lookout for a job these days, but it's slim pickins out there.

I don't know what TSOP means, either, but I know it's a kind of IR/light sensor. The additional sensor for Pit-Pro is a TSOP style sensor, I believe.
 

· Greg Gaub
Joined
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17,565 Posts
The LEDs in the cars, as asked about in the original post, are normal "bulb" LEDs soldered to the board, or on lead wires.
I think the IR spectrum isn't especially wide, but I believe 950nm is quite common for these types of things. So, a 3mm, 950nm IR LED should do the trick nicely.
I hope that someone with more precise knowledge can help.
 
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