LCD 20x4 I2C


finally have 20x4 lcd I2C
and conect SDA on D4, SCL on D5
working with UBITX_CEC_V1.08I but not working.
If try with 20x4 paralel conect like on original uBITX and UBITX_CEC_V1.08P working fine
What mistake I was made.

Bye Matjaz

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