There a a few variants of backpack lcd's there are pcf8574 ones and pcf8574a ones. they have different i2c address' ranges.
there are at least two differently wired versions also.
there...
I have gone through all those posts that I thought were remotely pertinent. I have tried all the code available in those posts. I have changed every variable possible that I know to try. I don’t...
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Re: I2C LCD 16x2 Pic16f628 Code
There a a few variants of backpack lcd's there are pcf8574 ones and pcf8574a ones. they have different i2c address' ranges.
richard - 4th January 2026, 03:48there are at least two differently wired versions also.
there...