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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

#14460
Shannon Hicks
Keymaster

Matt is correct, the pullup resistors on the I2C bus on the Mayfly board are soldered to the board and can’t be disabled unless you want to unsolder them, which will cause issues if you try to use I2C devices on the Mayfly like the DS3231 clock or the ADS1115 aux A/D.