LPC2148 4x4 Matrix Keypad Issue

i m a M.Sc Electronics Student and now i have been told to interface the keypad on the Dev kit the board is Called Spirit II from Oasis, it has a LPC2148. the keypad is a matrix keypad. now whats done...
LPC2148 4x4 Matrix Keypad Issue

i m a M.Sc Electronics Student and now i have been told to interface the keypad on the Dev kit the board is Called Spirit II from Oasis, it has a LPC2148. the keypad is a matrix keypad. now whats done...
Strugling to interface 4x8 keypad with LPC2148

Hi Friends, I am new to ARM. I have a project where i am trying to interface the keypad with controller. After a try of two days i thought i will try to take help from you guys....if somebody can refer...
Strugling to interface 4x8 keypad with LPC2148

Hi Friends, I am new to ARM. I have a project where i am trying to interface the keypad with controller. After a try of two days i thought i will try to take help from you guys....if somebody can refer...
Keypad problem

I use ATMEL 89c51 microcontroller with keypad 4x4. My problems is that my 1st row contain 1 2 3 A it display 1 2 3 A for every row i checked the code on proteus8 its working fine and also on 8051...