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As i worte, I got it working, however there is a small problem... If I *hammer* the DS18S20 in parasite mode i get the correct temperature every time. If I do the same thing in non-parasytic mode I get the temp most of the time, but every now and then a 85 degree value is presented. The...

I must have been tired when I connected the 18s20 to the net, I tested again and now it works with external power supply. Thanks to all of you!

Its the TO-92! The connection you show is what I did, didn't get that to work. Pin 4 on the RJ11 is 1-Wire Return GND If I connect pin 3 on DS18S20 to pin 1 (+5V) on DS9490R shouldn't Pin 2 GND Power Return also be involved?

Hi, Could anyone help me? I would like to connect several DS18S20 on one 1-wire net. I have a 1-wire USB connector (DS9490R) as the computer connection for the 1-wire net. I have successfullt connected several parasite powered DS18S20 to the RJ11 connector of the USB Adaptor (Connected RJ11 PIN...