I'm trying to figure out how the comparator function of a 28x2 works. I want to hook up a two wire fuel sender(the type you see in older cars) to it.
One wire goes to ground with the other wire will be in a voltage divider type setup reading .5v(full) to 3.0v(empty) or so.
My question is will the input of this be connected to [COMP1+] input of picaxe and can that be setup to read a full range signal 0-255. Is the [COMP1-] used?
One wire goes to ground with the other wire will be in a voltage divider type setup reading .5v(full) to 3.0v(empty) or so.
My question is will the input of this be connected to [COMP1+] input of picaxe and can that be setup to read a full range signal 0-255. Is the [COMP1-] used?