PIC16Fxxx and LCD | Microcontroller › PIC › PIC16Fxxx and LCD This topic has 2 replies, 3 voices, and was last updated 6 years, 6 months ago by Rolando. Viewing 3 posts - 1 through 3 (of 3 total) Author Posts August 11, 2017 at 3:56 am #4688 LizParticipant i am using an LCD with a PIC16Fxxx it seems to work fine but i want to activate it and deactivate it using a button or a switch how do i add that using assembly code ? TQ August 12, 2017 at 1:08 pm #14651 Ashutosh BhattParticipant all LCD have backlight LED feature. you can turn it ON or OFF to activate or deactivate it October 5, 2017 at 7:00 am #14669 RolandoParticipant You can wire the VDD or VCC pin of the LCD with a transistor and then use one of your microcontrollers digital pin to power on/off the LCD. Author Posts Viewing 3 posts - 1 through 3 (of 3 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In