On 02/09/2015 05:15 PM, Paul Alfille wrote:
> I carefully diff-ed the DS2483 and DS2484 data sheets. There are no
> substantive differences. The DS2483 seems to be a little fussier about
> having Strong Pull-up (SPU) stopped before a reset.
>
> Thus, I would have expected the DS2484 to work fine. Can you check your
> hardware setup?
>
> Paul

I've checked the connections, changed Vcc to 5V but 18B20s still does not
register :o/ DS2483  are on the way but in the I'm tempted to connect the
sensors  directly to rpi just to see if they are ok...

lukasz


> On Mon, Feb 9, 2015 at 5:22 PM, Lukasz Salwinski <luk...@mbi.ucla.edu>
> wrote:
>
>> On 02/09/2015 02:16 PM, Colin Reese wrote:
>>> Yes, I use DS2483 all over the place for years. See here for commands I
>>> use:
>>>
>> http://www.cupidcontrols.com/2014/01/owfs-owserver-owhttp-owpython-and-a-little-1wire-pi/
>>
>> ok.. I'll get myself some DS2483s...
>>
>> thanks,
>> lukasz
>>
>>> On Mon, Feb 9, 2015 at 2:13 PM, Lukasz Salwinski <luk...@mbi.ucla.edu>
>>> wrote:
>>>
>>>> On 02/09/2015 01:20 PM, Colin Reese wrote:
>>>>> Interesting. So the only thing different here is the level translation
>>>> goes
>>>>> down to 1.8V vs. 3.3V compared to the DS2483?
>>>>
>>>> it looks like this is the only difference in the specs I can find...
>>>> Is DS2483 supported ? owfs documentation mentions only DS2482-100 and
>>>> DS2482-800 chips.
>>>>
>>>> I've used 3.3V for both Vcc & SLPZ.  I'd guess can try to set Vcc to 5V
>> and
>>>> see what happens...
>>>>
>>>> lukasz
>>>>
>>>>> On Mon, Feb 9, 2015 at 12:59 PM, Lukasz Salwinski <luk...@mbi.ucla.edu
>>>
>>>>> wrote:
>>>>>
>>>>>> Hello,
>>>>>>       does owfs support DS2484 (I2C/1-wire bridge) ? I've just hooked
>> it
>>>>>> up to raspberry pi and I can see it on the i2c bus but no matter how
>>>>>> I connect 18B20 sensor to it (with or without explicit power line)
>>>>>> they don't show up in the  1 wire directory :o/
>>>>>>
>>>>>> thanks,
>>>>>> lukasz
>>>>
>>>>
>>>>
>>>> --
>>>>
>> -------------------------------------------------------------------------
>>>>     Lukasz Salwinski                             PHONE:
>> 310-825-1402
>>>>     UCLA-DOE Institute for Genomics & Proteomics   FAX:
>> 310-206-3914
>>>>     UCLA, Los Angeles                            EMAIL:
>> luk...@mbi.ucla.edu




-- 
-------------------------------------------------------------------------
  Lukasz Salwinski                             PHONE:        310-825-1402
  UCLA-DOE Institute for Genomics & Proteomics   FAX:        310-206-3914
  UCLA, Los Angeles                            EMAIL: luk...@mbi.ucla.edu
-------------------------------------------------------------------------

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