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April 4, 2010
about 3 years ago
Never mind…. I had to switch the cables of the vane…
It’s exactly the opposite of the datasheet…. :-(
I have a strange problem:
I have the anemometer and vane connected to each other, so just one RJ11 connector to my arduino board.
If either the anemometer or the vane is connected I get the right readings.
If I connect both devices, I only the anemometer readings and 0 from the vane.
I use for both a 10K pullup resistor and it’s all @ 3.3v
I already tried to switch (ground to power and power to ground) the cables of the anemometer (I thought they may use the same ground?)
But this doesn’t help…
Anybody any idea?
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