Hi hi, I was thinking of a project for home automation with few IR sensors on my stairs that detect when someone pass through and turn some LED on. I would like to build it myself so i didn't want to use one of those sharp or ultrasonic sensor. After playing with few IR sensor, i realize how diffi…

Analog or digital IR for proximity sensor?

Grumpy_Mike April 10, 2014, 10:48am 4

the problem is i am gona need one device on each side.

Or a reflector.