Hi,
Im trying to make an IR detection circuit. Ive made one using a comparator,LM339, wich flashes an led when I use a remote control.(remote is just for testing) BUT, what Im trying to really make, is one that would show the strength of the signal. A red LED (weak signal) yellow (better) green LED (strong signal).Or something of that nature. Its basically for testing, and measuring, where the IR on automatic doors are located. Any suggestions or links is very appreciated. Thanks.
Im trying to make an IR detection circuit. Ive made one using a comparator,LM339, wich flashes an led when I use a remote control.(remote is just for testing) BUT, what Im trying to really make, is one that would show the strength of the signal. A red LED (weak signal) yellow (better) green LED (strong signal).Or something of that nature. Its basically for testing, and measuring, where the IR on automatic doors are located. Any suggestions or links is very appreciated. Thanks.