I want to use the MPX2202 with an Arduino A to D and it needs to be amplified. I plan to use it to monitor water pressure and depth The manufacturer has thoughtfully created an app note on how to do this. http://www.freescale.com/files/sensors/doc/app_note/AN1325.pd On page 4 a schematic shows the…

Real EE advice solicited

Docedison September 29, 2012, 5:45am 16

Hard Water??

Bob