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Author Topic: Interfacing HH100D  (Read 1771 times)
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Hello everyone,

I have HH100D humidity sensor. It outputs a frequency signal, which I know how to handle. However, it also has a small EEPROM with calibration values that is available via I2C. Those values are necessary to get the actual humidity.

The problem is, that I'm very new to I2c. I cannot figure out how to read out those bytes. I've googled for half a day and still got no solution.

There's something I have:


Can anyone please help me?
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