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Hi, I'm trying to use i2c with a dev board nodemcu Lolin v3. Yours is a v2 if I'm not wrong. Can you confirm that you have pull-up resistors on the board on the pins you are using for the sda, scl? Thanks!
Hi, I'm trying to use i2c with a dev board nodemcu Lolin v3. Yours is a v2 if I'm not wrong. Can you confirm that you have pull-up resistors on the board on the pins you are using for the sda, scl? Thanks!