JaNi
Newbie level 2
Hi
I have 4X4 keypad
can i connect it to port in such a way that
the key i pressed is calculated form the input and the output
e.g
input is R1 and out put is C1
if i or the nibles(R and C) i get 0001 which is equlat to
the binary of 1 and so on up to 16
I have 4X4 keypad
can i connect it to port in such a way that
the key i pressed is calculated form the input and the output
e.g
input is R1 and out put is C1
if i or the nibles(R and C) i get 0001 which is equlat to
the binary of 1 and so on up to 16