Capstone Project
Hi all,
Does anyone have experience with the IR Transmitter/ Receiver pair? I'm using it for my capstone project and cannot seem to block the light from passing to the receiver.· The connection should be made only when it passes through a hole in the spinning roller, but for some reason, due to reflection, it is never broken.· Any help would be greatly appreciated.
Thanks,
Raejj
Does anyone have experience with the IR Transmitter/ Receiver pair? I'm using it for my capstone project and cannot seem to block the light from passing to the receiver.· The connection should be made only when it passes through a hole in the spinning roller, but for some reason, due to reflection, it is never broken.· Any help would be greatly appreciated.
Thanks,
Raejj
Comments
See: www.parallax.com/Store/Components/Optoelectronics/tabid/152/CategoryID/30/List/0/SortField/0/Level/a/ProductID/178/Default.aspx
Without a good picture / diagram and description of materials, I can't give you any more specific advice. Somehow, enough light is getting through when it's not supposed to such that it activates the detector. You have to use common sense and some experimentation. For example, turn off whatever is spinning the roller so you can rotate it by hand. See what happens to the detector output. Use various objects to block parts of the beam to see what happens.