I was going to say use something like the 7219 but...... so I guess the real answer is to consider using a less archaic way to display information. An LCD panel could do the same job with four wires, so that gets pretty persuasive.
I was going to say use something like the 7219 but...... so I guess the real answer is to consider using a less archaic way to display information. An LCD panel could do the same job with four wires, so that gets pretty persuasive.