RE: Dallas temp sensors

["Jon Payne" <jgpayne@xxxxxxx>]

Yes, they are all unique.

The third pin is the Vcc pin and can be tidied to 5v (or whatever) if
you want faster/simultaneous temp. conversions, but you can just leave
it disconnected for now.

jon

> -----Original Message-----
> From: Paul Gordon [mailto:paul_gordon@xxxxxxx] 
> Sent: 19 July 2002 09:53
> To: ukha_d@xxxxxxx
> Subject: RE: [ukha_d] Dallas temp sensors
> 
> 
> 
> >
> >The pins on the Dallas part are Ground -- Data -- Vdd.  When
using in
> >Parasite power mode (i.e. driven from the 1-wire bus only) 
> Ground and Vdd
> >should be connected together and connected to ground of the 
> RJ11  Data
> >should go to Data.
> >
> 
> 
> so I should modify Neils ASCII art diagram and tie the unused 
> 3rd leg of the 
> 1820 (Vdd) to the ground leg?
>

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