> Using the F877, I have PortA configured for analog inputs, and had 10K pots. > Seemed to work ok, I had a watch window set up, and a breakpoint right after > the read sequences (for 4 pots). > > I've changed the pots to 50K now, and upped the aquisition time, but the > values seem to be way off now, and are affected by each other. Microchip specifies the A/D source should be 10Kohm or less. Yours could be 2.5 times higher, so you should either use 20Kohm pots max, or buffer the voltages. ***************************************************************** Embed Inc, embedded system specialists in Littleton Massachusetts (978) 742-9014, http://www.embedinc.com -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads