Parasite power works as advertised, in my somewhat limited experience. Jack On 1/16/08, Marc Nicholas wrote: > Parasite power works surprisingly well in my experience! > > -marc > > On Jan 16, 2008 2:41 PM, Bob Axtell wrote: > > Timothy Weber wrote: > > > Brian B. Riley wrote: > > > > > >> I have found DigiKey to carry the DS18B20 with reliable stock. They > > >> offer the same price per unit on qty=50 that DalSemi wants for > > >> qty=100. I just looked and DigiKey has 5900+ on hand ... > > >> > > > > > > At one particular time I was looking, maybe a year ago, Digi-Key was out > > > of stock and had longer lead times than Maxim. But they do seem to keep > > > them in stock in general. > > > > > > Also, I've been using the DS18B20-PAR, the "parasite power only" > > > version, which I think is harder to get elsewhere (not in stock at > > > Digi-Key now), and I think it was a bit cheaper than the other > > > varieties. My records say $1.76 last time I ordered 1000 of them. > > > > > Does the "parasite power" scheme work reliably? Seems like the pulses > > traverse too long > > a time for an internal cap to work.... > > > > --Bob > > > > -- > > http://www.piclist.com PIC/SX FAQ & list archive > > View/change your membership options at > > http://mailman.mit.edu/mailman/listinfo/piclist > > > -- > http://www.piclist.com PIC/SX FAQ & list archive > View/change your membership options at > http://mailman.mit.edu/mailman/listinfo/piclist > -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist