I have a device that varies from 19 to 63 ohms and need to read it and determine its present value. It appears that a Wheatstone Bridge would allow a 5v input with the output used by an A to D converter. My problem is that I am not up on the math needed to calculate the appropriate values of the ot…

Wheatstone Bridge Values Needed

runaway_pancake September 29, 2012, 9:50pm 8

growerdick:
It doesn't have to swing from zero to 5 volts.

What range would work for you?