19-11-2017, 12:56
(19-11-2017, 00:38)Barrow4491 Wrote: I then noticed that the HTU21D sensor has a maximum vcc of 3.9 volts but the circuit provides 5 volts. I have searched the internet looking for a 5 volt version to no avail, and as per the screen shot the temp and Rh values are 998.0 because of the lack of a sensor.
I powered mine from the 3.3vdc pin on the Nano

