I have the same warning using LiquidCrystal_I2C on Due, but the display is working anyway. FYI I use 5V supply for display and level converter for I2C.
Ciao, Ale.
I have the same warning using LiquidCrystal_I2C on Due, but the display is working anyway. FYI I use 5V supply for display and level converter for I2C.
Ciao, Ale.