At 04:04 PM 5/21/99 -0700, you wrote: > More simple - use 1 8-pin PIC and 1 pot. > >Does this require an A/D PIC, or can you do RC based A/D conversion in >SW on something like a 12C508 using inherent pin capacitance for the C? Either one for me, but I've talked with him directly and he really needs an ADC. Andy ================================================================== Montana Design Tech Support - http://www.montanadesign.com ==================================================================