Also to note, that when the parasite power mode is used, the 5v pin of the
18s20 has to be connected to the gnd pin.

Hi all people here. I am a newbie to the list. Have openwrt on tplink
wr1043nd with ds9490 and owfs. Experimenting with creating my own slaves in
an atmel microcontroller. My background is sw development, mostly business
sw, java, sql and the like.

Regards,

Vajk

On Tue, Nov 20, 2012 at 6:35 PM, Paul Alfille <[email protected]>wrote:

> 3.3V is probably too low for temperature conversion. -85C is the error
> temperature reading.
> On Nov 20, 2012 10:06 AM, "Sven Geggus" <[email protected]>
> wrote:
>
>> Paul Alfille <[email protected]> wrote:
>>
>> > The easiest solution to DS2483 use is just to add "--no_PPM" to the
>> command
>> > line of a working OWFS version.
>>
>> Ah, cool. Seems to work fine even with the Version of owfs supplied by
>> Raspbian wheezy and installed via apt-get (2.8p15).
>>
>> I just connected the DS2483 on a breadboard without any additional
>> components like resistors etc.
>>
>> The SLPC PIN is just connected to 3.3V.
>>
>> However, I discovered one strange thing:
>>
>> I connected a DS18S20 for testing purposes and without connecting the 5V
>> supply I
>> always get 85°C.
>>
>> Another question. Would it be a good idea to add an DS9503 to the
>> 1-wire output as well?
>>
>> Regards
>>
>> Sven
>>
>> --
>> "Those who do not understand Unix are condemned to reinvent it, poorly"
>> (Henry Spencer)
>>
>> /me is giggls@ircnet, http://sven.gegg.us/ on the Web
>>
>>
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>
>
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