- Mon Sep 15, 2014 7:45 am
#174961
I have a Arduino uno.
Using a 4N33 opto isolator, when I connect pin 1 to +5V and connect pin 2 to GND, the Arduino indicator light go dim.
please advise.
Using a 4N33 opto isolator, when I connect pin 1 to +5V and connect pin 2 to GND, the Arduino indicator light go dim.
please advise.