Just for my education...why are the row pin modes set as INPUT? It seems a bit odd. Doesn't that put them in high impedance mode and then writing to them just switches the internal pull up resistors in and out?
Steve
Just for my education...why are the row pin modes set as INPUT? It seems a bit odd. Doesn't that put them in high impedance mode and then writing to them just switches the internal pull up resistors in and out?
Steve