Thank you Bill for you explanation. You are absolutely right. I also believe that turning display off is not necessary, but decided to follow the procedure.
I haven't seen any build-in LiquidCrystal_I2C library in Arduino IDE. Where is it?
Thank you Bill for you explanation. You are absolutely right. I also believe that turning display off is not necessary, but decided to follow the procedure.
I haven't seen any build-in LiquidCrystal_I2C library in Arduino IDE. Where is it?