I am working on a project for (digital design) , that requires me to use a 4x4 keypad the problem is that the keypad has only 7 lines like the following sketch
There is obviously 16 key on it , the question is how to take there output on 16 lines ? using digital gates and wires only !!!
There is obviously 16 key on it , the question is how to take there output on 16 lines ? using digital gates and wires only !!!