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August 4, 2010
about 4 years ago
I’ve never played w/ an XBee, but from what I understand about them they basically just replicate the state 2 pins on the far end. If that is a correct understanding, then yes, you could read a remote DHT22 using an XBee.
It might be tricky since I think the XBee is more focused on serial communication and the DHT22 doesn’t exactly work that way, but I think it might be doable.
I created an Arduino library for the DHT22 http://goo.gl/uy1fV
This library works great. As others have said, this is not a “one-wire” addressable device. It has its own single wire communication. This library worked perfect for me. Just don’t forget your 4.7K resistor from Vcc to data.
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