Hi im trying to build an Ohm MEter for my project using the analog Pins, I have been following this post from a while ago http://arduino.cc/forum/index.php/topic,21614.0.html but im having some issues. I am making a sort of object ID system. I have tiles that have a little circuit in them,its place…

Ohm Meter Issue

system November 7, 2012, 8:40pm 4

I don't understand, I do have a common ground, don't I? The right hand side of my diagram?

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