Arduino LED pole je pole 56 červených LED diód usporiadaných do mriežky 8 x 7.
This board relies on the Charlieplexing technique to control individual LEDs, which means less GPIO pins are used
(as opposed to a traditional grid format). Through the use of Charlieplexing we have been able to control all 56 LEDs
with a total of only eight pins (labeled ‘A’ through ‘H’). With a little bit of code you will be able to cycle through all
combinations of the pins to turn each LED on individually, and if cycled fast enough, you can create simple images and text!