Comments on: Interfacing Matrix Keypad with PIC Microcontroller using MikroC Library https://electrosome.com/matrix-keypad-pic-mikroc-library/ You Inspire.....We Create..... Wed, 28 Jun 2017 07:48:00 +0000 hourly 1 https://wordpress.org/?v=6.1.1 By: Georgio Diab https://electrosome.com/matrix-keypad-pic-mikroc-library/#comments/6811 Wed, 28 Jun 2017 07:48:00 +0000 https://electrosome.com/?p=2642#comment-6811 You’ve got the connections of the keypad wrong. The resistors are supposed to be connected to the output of the keypad. Meaning, you need 4 resistors R1 R2 R3 R4 connected to A, B, C, D respectively.

]]> By: Ligo George https://electrosome.com/matrix-keypad-pic-mikroc-library/#comments/6494 Sun, 27 Nov 2016 07:53:00 +0000 https://electrosome.com/?p=2642#comment-6494 In reply to Jes.

Make sure that your keypad is functioning correctly using a multimeter.

]]> By: Jes https://electrosome.com/matrix-keypad-pic-mikroc-library/#comments/6427 Sun, 23 Oct 2016 02:40:00 +0000 https://electrosome.com/?p=2642#comment-6427 The keypad is not working properly. The 2nd and 3rd row are okay but the 1st and 4th are not. Btw, I am using 16f877a. I also checked the data sheet for the keypad and my connections are correct.

]]> By: Ligo George https://electrosome.com/matrix-keypad-pic-mikroc-library/#comments/5671 Sat, 19 Dec 2015 09:58:00 +0000 https://electrosome.com/?p=2642#comment-5671 In reply to Mrunal Ahirrao.

Your keypad connections will be wrong, try changing it.

]]> By: Mrunal Ahirrao https://electrosome.com/matrix-keypad-pic-mikroc-library/#comments/5623 Sun, 29 Nov 2015 10:52:00 +0000 https://electrosome.com/?p=2642#comment-5623 hi Ligo, I have tried above code but LCD displays wrong numbers, if I press on keypad 2, it displays 4! and so on.. I am using 4×4 keypad (numbers printed on it)

]]> By: Ligo George https://electrosome.com/matrix-keypad-pic-mikroc-library/#comments/3112 Wed, 22 Oct 2014 03:48:00 +0000 https://electrosome.com/?p=2642#comment-3112 In reply to Akif Syahmi.

Sorry, I don’t get what you are asking…
Hope that following link will help you ..
http://electrosome.com/pic-to-pic-communication-uart/
http://electrosome.com/pic-to-pic-communication-uart/3/

]]> By: Akif Syahmi https://electrosome.com/matrix-keypad-pic-mikroc-library/#comments/3104 Tue, 21 Oct 2014 08:58:00 +0000 https://electrosome.com/?p=2642#comment-3104 hy…if I want to match keypad and uart with 2 lcd by using pic16f877a.. how about the coding???anyone can help me..

]]> By: Einstein https://electrosome.com/matrix-keypad-pic-mikroc-library/#comments/3073 Tue, 14 Oct 2014 23:49:00 +0000 https://electrosome.com/?p=2642#comment-3073 In reply to gaurav.

tried this code and it works try your hardware and see if you ground your LCD correctly.
edit and remove ths ascii values that are not necessary and it will work

]]> By: gaurav https://electrosome.com/matrix-keypad-pic-mikroc-library/#comments/2237 Thu, 19 Dec 2013 08:25:00 +0000 https://electrosome.com/?p=2642#comment-2237 this code is running in proties but not working in hardware, in hardware problem plz suggest me , i m working on 16f877a

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