595 ICs are good for output (serial in parallel out) from the Arduino. You probably need to look at a 165 for inputs (parallel in, serial out). Same concept, just the opposite direction.
Lots of examples of how to use this if you consult Mr Google.
595 ICs are good for output (serial in parallel out) from the Arduino. You probably need to look at a 165 for inputs (parallel in, serial out). Same concept, just the opposite direction.
Lots of examples of how to use this if you consult Mr Google.