Thanks Patyrk, I checked them all on my arduino before moving them to owfs and they were working fine there. The parasite-only version is the DS18B20P.
-Guil On Tue, Feb 22, 2011 at 6:20 AM, patyrk <[email protected]> wrote: > Dnia 2011-02-21, pon o godzinie 16:24 -0600, Guil Barros pisze: >> I just added an additional 3 ds18b20's to a branch off my hobby-boards >> hub but owfs seems to believe they are unpowered. I checked and there >> is +5v across the power pin on each ds18b20... >> This is version 2.8p5 >> Any ideas? > > I'm not sure but I read somewhere on Maxim website that there is a > version ds18b20+par that have internally connected Vdd to the ground. So > they only work in parasite power mode and you don't have to connect Vdd > lead. > Maybe check the outer legs for resistance? > But now I cant find anything about it in datasheet only on the order > page http://www.maxim-ic.com/datasheet/index.mvp/id/2812/t/or > > > > >> >> Thanks, >> -Guil >> >> ------------------------------------------------------------------------------ >> Index, Search & Analyze Logs and other IT data in Real-Time with Splunk >> Collect, index and harness all the fast moving IT data generated by your >> applications, servers and devices whether physical, virtual or in the cloud. >> Deliver compliance at lower cost and gain new business insights. >> Free Software Download: http://p.sf.net/sfu/splunk-dev2dev >> _______________________________________________ >> Owfs-developers mailing list >> [email protected] >> https://lists.sourceforge.net/lists/listinfo/owfs-developers > > > > ------------------------------------------------------------------------------ > Index, Search & Analyze Logs and other IT data in Real-Time with Splunk > Collect, index and harness all the fast moving IT data generated by your > applications, servers and devices whether physical, virtual or in the cloud. > Deliver compliance at lower cost and gain new business insights. > Free Software Download: http://p.sf.net/sfu/splunk-dev2dev > _______________________________________________ > Owfs-developers mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/owfs-developers > ------------------------------------------------------------------------------ Index, Search & Analyze Logs and other IT data in Real-Time with Splunk Collect, index and harness all the fast moving IT data generated by your applications, servers and devices whether physical, virtual or in the cloud. Deliver compliance at lower cost and gain new business insights. Free Software Download: http://p.sf.net/sfu/splunk-dev2dev _______________________________________________ Owfs-developers mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/owfs-developers
