Hi.
I wonder if anybody can tell me the easiest way of sensing if a led-diode is on or off.
I need the led as a binary sensor in an home automation project.
What I want is a potential free output. that i can set up as a normally closed (NC) or open (NO) sensor.
Br,
Bjoern
I wonder if anybody can tell me the easiest way of sensing if a led-diode is on or off.
I need the led as a binary sensor in an home automation project.
What I want is a potential free output. that i can set up as a normally closed (NC) or open (NO) sensor.
Br,
Bjoern