Re: [Owfs-developers] Best Master

p4trykx Tue, 11 Dec 2012 14:40:54 -0800

W dniu 11.12.2012 o 17:40 Lappies <[email protected]> pisze:

Hi folks,

I already search and read quit a lot over here and on the net, but havenÂŽt found a answer.
What is the best 1-wire Master to use.
At the moment I am using a DS9490R on a testing board with no problems, 60m Cat5 cable with 9 DS18B20.

I want to develop a Board and would prefer a Master onboard like DS2482-100, but is it stable enough for a commercial Product?
There would be around 2-8 DS18B20 Sensors attached to the Bus and the Cable length between 4-50m.
The most Sensors are between 1-4m and only one is always between 4-50m.

Witch Master would be the best for my setup?

According to Maxim DS2480B is the masterest master ;-) It has the strongest pull-up.

http://www.maximintegrated.com/app-notes/index.mvp/id/4206

However on Raspberry Pi forums was a report that DS2482-100 works fine with 100m utp even without additional transistor.

p4trykx

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