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Premium Member
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May have to check that out now that the source I had awhile back finally ran out. I could get 3 LED's for 99 cents with resistor. Later RJD
 

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Super Modulator
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He custom made me a wireless speedometer car, here is the receiving unit, which shows speed and track voltage:


Here's the electronics in a USAT hopper:



The optical encoder on the axle:



Regards, Greg
 
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