Thanks for your response. I do want a separate LED for each key. It looks like there are 20 GPIO pins on the Arduino Pro Mini, right? So that would be enough for 10 LEDs and 10 buttons, right?
Thanks for your response. I do want a separate LED for each key. It looks like there are 20 GPIO pins on the Arduino Pro Mini, right? So that would be enough for 10 LEDs and 10 buttons, right?