hello i was hoping someone could help me with this i am trying to build a circuit that will test this infrared sensor is working or now, i would like a led to light up when the sensors are blocked,
the pictures i took are not too great, please let me know if you need better pictures, i could also send you some of these sensors if it would help
thanks for any help, i searched all over google and i still can't come up with much help
thanks
dang2324

 

Clearer pictures would definitely help.

You do realize that you can use any cellphone with a buit-in camera or an actual digital camera to render the infrared LED light visible.

hgmjr

 

The lab where I used to work had a sheet of material that fluoresced when illuminated by IR.