How to make a IR proximity detector using Vishay TSOP312

Thread Starter


Joined May 24, 2011
Hi everyone i would like to make an IR proximity detector which can detect upto 2-3 inches using an Vishay TSOP312 IR reciever. If anyone has ideas or circuits can help me out. Thx for ur help.:D


Joined Apr 24, 2011
Pick another device. That one is a receiver for an active IR source like a TV remote.

You would want an emitter and a detector so your object reflects the emitter back to the detector; when the detector "sees" something you know it is close.