Paul Alfille wrote:
>> What specifically didn't work?
My ds1821 are brand new, pinout is like ds18b20 - am I right? I am :)
I connect ds1820 to the owfs system (via USB ds9490) and I can see it in the
file system. OWSF && USB adaptor are OK.
Now I connect ds1821, nothing happens! No response at all :|
"The DS1821 arrives from the factory in 1-wire mode (T/R¯ = 0). In this
mode, the DQ pin of the DS1821 is configured as a 1-wire port for
communication with a microprocessor using the protocols described in the
1-WIRE BUS SYSTEM section of this datasheet."
So it should be in 1w mode and work!! But it does NOT. +Vdd is 4.5V.
My windows 1w software does not see that chip too...
I do not know what is wrong, both ds1821 I own are brand new...
./owfs version:
2.2p0RC
libow version:
2.2p0RC
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