Keypad interfacing | Projects › Projects › Keypad interfacing This topic has 1 reply, 2 voices, and was last updated 6 years, 7 months ago by GANEEV SINGH. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts November 11, 2011 at 7:40 am #1393 FARRUKHParticipant Can any one tell me that how can I interface a keypad without using any controller. March 26, 2018 at 6:20 am #14818 GANEEV SINGHParticipant Hi Here are two projects that might help you: 1.https://www.engineersgarage.com/microcontroller/8051projects/interface-keypad-AT89C51-circuit 2.https://www.engineersgarage.com/embedded/avr-microcontroller-projects/interfacing-keypad-circuit 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