Hi all, I am trying to use an SI7012 I2C sensor in a low power pro mini based sensor node. I am running into troubles trying to power the SI 7021 from a pro mini's digital pin (to save power while sleeping). If I power the SI7021 from Vcc, the max current I measure is 1.09 mA; the datasheet state…

Powering an SI7021 sensor from a digital pin

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