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Reply To: Mayfly SCL and SDA voltage level

Home › Forums › Mayfly Data Logger › Mayfly SCL and SDA voltage level › Reply To: Mayfly SCL and SDA voltage level

2020-07-07 at 10:49 AM #14292
Shannon Hicks
Moderator

    All of the data lines on the Mayfly run at 3.3 volts. The 2.2k resistors on the I2C lines are the pullup resistors that are required per the I2C design spec.