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Member Since: September 16, 2011

Country: United States

  • Note that the emitter and detector are directional in regards to the small bulb or lens that is on one side of each. I couldn't figure out why the emitter had such a minimal effect on the readings from the detector until I pointed both of the bulbs at each other. The range is actually quite good even with all of the ambient IR from lights in the room. Even at distance of about 6 inches, blocking the emitter makes a significant difference in the detector reading. Hope this information helps.

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