michael brown wrote: > I'm getting ready to implement the "very simple delta-sigma ADC" that > Dave Tweed thoughtfully explained to me a few weeks ago. > > I am attempting to read the value of a pot. using the 628's comparator > and a TMR0 loop to sample the voltage at an R/C junction > Does that sound about right? Is there an easier/better way? Always. But you need to state the details of the application! How fast a resonse time do you need? How much processor time to you have to spare? How often do you need to test? What accuracy needed? Can you add external chips? etc etc. -Roman -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads