keypad interface using 8051 microcontroller | Microcontroller › 8051 › keypad interface using 8051 microcontroller This topic has 1 reply, 2 voices, and was last updated 9 years, 10 months ago by Ashutosh Bhatt. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts November 21, 2014 at 7:46 am #3318 kalyaniParticipant i am writing a progam using 4×4 keypad and 8051 microcontroller.here i want to use switch case method for writing the keypadscan() function.please send code for this November 23, 2014 at 5:48 pm #12367 Ashutosh BhattParticipant just visit http://www.engineersgarage.com/microcontroller/8051projects/keypad-simple-electronic-lock-AT89C51-circuit u will get the idea 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