Standard I/O Pins Pin 2 Pin 3 Pin 4 Pin 5 Pin 6 Pin 7 Pin 8 Pin 9 Pin 10 Pin 11 Pin 12 Pin 13 Pin 13/LED Blink Test Pin 13 typically has a surface-mount LED (eg. as with the Uno) representing binary output. Interval (msec): Requirements A small shopping list of software is needed to get everything working. Arduino and Flash overview, steps #1 and 2 Arduino Uno (USB) running Standard Firmata 2.0+ s
