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I have tried various configurations. I have connected it to the I2C Grove slot, and I have connected it to the SDA & SCL pins. As for the power, I have gotten power through the Grove connector, and I have tried giving it power through each of the 3.3v and gnd pins. It performs the same regardless of how I have it connected.
I am using the Simple_logging.ino program as written, so I don’t know if it is going to sleep between readings, but the indicator light on the pH EZO is shutting off between readings, while the DO EZO mostly stays on. I don’t know if that helps. Where would I find the code that controls power?
This is the first time I have used PlatformIO to program an arduino, so I am still trying to figure everything out. I have only ever used the Arduino IDE before.
I really appreciate the help!