Chris Eddy wrote: >You will probably want to create a fixed precision 10V source to drive the load >cell. You want something very stabe over temperature. If you use the same reference for the Load-cell voltage as for the A/D reference a deviation in reference voltage will not affect the result. /Morgan -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.