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Hey everyone! I’m looking to build a wireless Finishline system for drag racing. I need two sets of sensors to supply a signal when the sensors are “broke,” that will light up a Win Light for the side that crossed their respective sensor first. I cannot have wires on the track so I assume a photoelectric reflective beam sensor is probably my best option. I need the signal to power the light for 30 seconds after the beam has been broke. I need all kinds of help as I cannot find anywhere where someone’s tried to do this before! Any help is seriously appreciated! Thank you in advance!
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