I have a couple of RHT03 sensors that work with my Uno at 5v, but are providing only 0's at 3.3v. From the data sheet I have, it appears these sensor should be working at 3.3v, but all I am getting from them is 0 value. I am using the ADAFRUIT DHT library and the problem is occurring with the 3.3V …

RHT03 Not working at 3.3v Arduino Pro Mini

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