Yes, you can use the analog input pins as digital output pins to drive leds. But digital pins 0 & 1 are used for sketch upload and serial monitor, so avoid using them if you can. Won't you also need some pins for buttons (up, down, fire)?
Yes, you can use the analog input pins as digital output pins to drive leds. But digital pins 0 & 1 are used for sketch upload and serial monitor, so avoid using them if you can. Won't you also need some pins for buttons (up, down, fire)?