# https://wokwi.com/projects/471962557090125825
# https://wokwi.com/projects/471960164192904193
# https://wokwi.com/projects/471958392597121025
# https://wokwi.com/projects/469724724687572993 
# https://docs.wokwi.com/parts/wokwi-led-matrix
# fehlerhaft: 
# https://wokwi.com/projects/469641338662642689
# wokwi version of Trinkets 
# Trinket plus Raspi equals love
# 
import machine
import neopixel
from time import sleep

# NeoPixel-Objekt initialisieren mit ESP-32-Pin + LED-Zahl:
PIN_NUM = 12  # ESP-32-Anschlusspin für NeoPixel
NUM_LEDS = 64 # 8x8 Matrix = RGB-LED-Anzahl
np = neopixel.NeoPixel(machine.Pin(PIN_NUM), NUM_LEDS)

G = (0, 255, 0)   # green / grün
Y = (255, 255, 0) # gelb / yello
B = (0, 0, 255)   # blau / blue
R = (255, 0, 0) # rot / red
L = (255, 0, 255) # lila 
W = (255,255,255) # weiß / white
Cy = (0,255,255)  # cyan
X = (0,0,0) # schwarz=farblos = off = nix = nothing
#P = (255,40, 220) # pink

Farbe = [W,R,G,B,Y,L,Cy,X]

def setup():
  np.fill( X ) # s.clear()
  print( "Hallo Welt!" )

# Endlosloop zum Blinken einer LED 
def loop():
  while True: 
    for f in Farbe:      
        for x in range( 8 ): 
            for y in range( 8 ):
                if x!=4 and x!=3 and y!=3 and y!=4 :  
                    np[x+(y<<3)] = f
        np.write()
        sleep(0.5)

setup()
loop()