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Laser to refract/reflect water vapor and smoke.... angles?
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[QUOTE="MattLogue9, post: 6304809, member: 674243"] So I generate a pulse say 50% duty 145hz - how would one process the signal? I'll use a ESP32 microcontroller. I could use another LED in separated chamber with same light as a bias. Would a IR LED pick up the red laser well enough to read by its 12bit ADC? - fraid I don't have a tunneled detector or photodiode on hand right now. [/QUOTE]
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Laser to refract/reflect water vapor and smoke.... angles?
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