NHD-0420CW I2C pull ups

Answered

Gerald Ollivier

• August 19, 2022 07:34

Hello,

I'm using a NHD-0420CW-AW3 TG module with I2C control. I wonder if the pull ups needed on the I2C SCL and SDA signals are already present on the module board, or if I need to implement them externally. Could you clarify?

The module board revision is NHD-0420CW-AW3-TG-Rev1B.
Thanks 

Regards

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  Engineering Support

  Community moderator

  • August 25, 2022 16:10

  The pullup resistors are not included on the display’s PCB.  It would be necessary to add them externally.

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