I2c with SI7021 power question

#1

Hello all,

Received my RMA’d chips last night (thank you very much!), and pushing forward with my humidor project. I would like to be able to power a relay from the Pi and by extension the I2C board. My question is, I am running a SI7021, do I still have the availability of the 2 or 4 numbered 5v pin ? I do not want to under/over power anything here…so I thought I would ask the experts.

Thank you!

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#2

Hi,
Yes, you can still use the 5V from the Pi.
Thanks

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