I need to connect 8 panic switches to PIC 8 inputs & make an alarm when one or more is activated.Also I'm showing the corresponding zone on a single seven segment display.
My only doubt is that the inputs are coming from long distance like 30 meters,50 meters max.
What hardware do I have to use?
My only doubt is that the inputs are coming from long distance like 30 meters,50 meters max.
What hardware do I have to use?