On Fri, 28 Jun 2002, Alan B. Pearce wrote: >>So this is viable! 2 PIC pins to sense dial being >>turned, another 4 pins to turn it. With unipolar >>mode and such low coil current you don't even need >>flyback diodes etc. >>Very nice. :o) > >Until one of the rugrats starts playing with it and spinning it at high >speed with the power off :)) There are enough diodes built into the PIC. However the project may come to life. Crank-powered projects ? ;-) (put four NiCds directly on the power rail of the PIC - they will charge from cranking) Peter -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body