4x4 Matrix keypad help

Hi, i am new to ucontroller programming. I wanted to make some password and 7-segment display projects using 4x4 matrix keyboard as input, in C. I just need some simple example links or sample code...
4x4 Matrix keypad help

Hi, i am new to ucontroller programming. I wanted to make some password and 7-segment display projects using 4x4 matrix keyboard as input, in C. I just need some simple example links or sample code...
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...
Key de-bouncing in 4x4 matrix....

hi , i am not well in english ,try to understand my language. here i am using 4x4 matrix keypad .... problem: key de bouncing problem requirement: when i press key and i hold it some time...