On Sat, Apr 19, 2014 at 1:41 PM, Byron Jeff wr= ote: > I love the fact that the PIC24 UART can be inverted to accept the inverte= d > input signal using the hardware UART too. I'm not near a datasheet but from memory the 18f25k22 also allows you to invert, which suggests that more 18f series would also do it. Josh --=20 A common mistake that people make when trying to design something completely foolproof is to underestimate the ingenuity of complete fools. -Douglas Adams --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .