if u dont need brightness | Microcontroller › Arduino › how to interface 16*2 lcd display with arduino uno › if u dont need brightness January 30, 2016 at 3:31 am #13667 rupaParticipant if u dont need brightness dont connect 15 and 16 pins if u want to vaey the brightness to a 100k variable resistor and using it will vary the brightness for sure thank you
