so my guess that either i use i2c incorrectly or i2c controller on display itself might be bad
Or, just maybe, you have it wired incorrectly. But, I've given up on asking you how it's wired.
so my guess that either i use i2c incorrectly or i2c controller on display itself might be bad
Or, just maybe, you have it wired incorrectly. But, I've given up on asking you how it's wired.