Ok; I see. The presence of a 5V LCD confused me. I see you also have your doubts about this. Btw, I often find that 5V I2C devices work with a 3.3V bus - but it's sensible that this would bring reliability issues.
Ok; I see. The presence of a 5V LCD confused me. I see you also have your doubts about this. Btw, I often find that 5V I2C devices work with a 3.3V bus - but it's sensible that this would bring reliability issues.