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Reply To: Negative Voltage Reading from Single-ended ADC Using Apogee SP-212-SS Sensor

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2023-05-08 at 11:53 AM #17792
Shannon Hicks
Moderator

    You’re right, you correctly have your sensor’s signal white wire connected to the Grove cable white wire, which goes to the AA1 pin of the Aux Analog grove jack, so you can disregard my suggestion to change the ADS1115 code to adc0, and just leave those two lines as they were, using adc1.