Dnia 29-01-2012 o 17:15:45 Lui Elle <paspourlongte...@yahoo.fr> napisaƂ(a):

> the wiring scheme , the  the power and ground is good
> i can read the's DS1820 and the's DS2450

Are you using 3 wires out of 8 in UTP?

I had a problem with 3 wires and when I added second wire for ground it  
got better. But this was on much worse telephone cable.

Try to solder the extra GND to the jack and then to the sensors.

-- 
p4trykx

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