At 08:57 AM 6/7/2006 -0300, you wrote: >Jinx wrote: > > > (16F88-based, a very high power bike lamp indeed) > > > > http://home.clear.net.nz/pages/joecolquitt/luxeon_lamp.gif > >Is there a purpose in the fuse F2 being between one cell and the other >three? It looks purposeful, but I can't really see one. > >Gerhard Obviously there is no electrical difference in the circuit as shown, since the four are all in series. No difference under fault conditions seems likely. So maybe it's a mechanical issue. I don't have the article, but I am imagining a battery holder with two links to connect the three C cells together, and wires or a snap coming off the remaining two connections. Now replace one of the links with a fuse. >Best regards, Spehro Pefhany --"it's the network..." "The Journey is the reward" speff@interlog.com Info for manufacturers: http://www.trexon.com Embedded software/hardware/analog Info for designers: http://www.speff.com ->>Test equipment, parts OLED displys http://search.ebay.com/_W0QQsassZspeff -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist