• Yes I did try to choose both pins from both ports (I2C1 and I2C2) from my maple leaflabs,
    I put there scl: D5, sda: D9 - for I2C1 and scl: D29, sda: D30 for I2C2 option.
    Also tried to mark them that way scl: PB6, sda: PB7 and for I2c2 port, scl: PB10, sda: PB11.
    but still got this error

    WARNING: Expecting a number or something iterable, got undefined
    WARNING: Expecting a number or something iterable, got undefined
    =undefined
    WARNING: Expecting a number or something iterable, got undefined
    WARNING: Expecting a number or something iterable, got undefined
    Reading: 0
    
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