johnjameson:
Should there be light coming from the Led when you apply power to the sensor?
No. It's infrared light so invisible to the naked eye, but you should be able to see it using a digital camera.
johnjameson:
Should there be light coming from the Led when you apply power to the sensor?
No. It's infrared light so invisible to the naked eye, but you should be able to see it using a digital camera.