Hmm. On digging a little deeper I think might want to use a DS2482-100 i2c to 1-wire protocol converter. Does anyone know of some good routines that hide a lot of detail I really don't want or need to know? Drew > > You might want to consider a couple of Schottky diodes to save blowing your > I/O pins ;-) > > > -marc > > On 11/2/05, Jan-Erik Soderholm wrote: > > > > drew@technteach.com wrote : > > > > > I see the application note on programming the pic for 1-wire. > > > > > > But what do I need in the way of line drivers between the > > > pic and the connector to the outside world? > > > > Nothing but the mandatory pullup resistor. > > But there are "drivers" for longer distances. > > > > See: > > > > http://www.maxim-ic.com/1-Wire.cfm > > > > Regards, > > Jan-Erik. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist