I have a problem LCD blinks if I program it so but it doesn't show the words I tried adjusting the potetiometer but nothing changes. The light is always the same. And I tried 0x3F and 0x20 and 0x27 ...basically everything Here is the report from the HD44780 *************************************…

LCD with I2C not displaying characters

bperrybap April 29, 2018, 6:12pm 14

Darkboss99:
it works now

So what did you change/fix?