circuit to interface a lcd display with a simple keyboard BY MANPREET RAJU | Electronics › Electronics › circuit to interface a lcd display with a simple keyboard BY MANPREET RAJU This topic has 1 reply, 2 voices, and was last updated 12 years, 6 months ago by AJISH ALFRED. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts July 13, 2011 at 7:48 am #1170 queryParticipant i need a circuit to interface a lcd display with a simple keyboard with less cost.. May 5, 2012 at 6:41 pm #7594 AJISH ALFREDParticipant which microcontroller would you like to use? Simple keypad means a matrix keyboard?? Author Posts Viewing 2 posts - 1 through 2 (of 2 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In