added power check to rainbow cycle

Signed-off-by: Ebbe Baß <ebbe@ping-mee.de>

main.py

@@ -43,6 +43,8 @@ def rainbowCycle(strip, wait_ms=5, iterations=10):
     for j in range(256*iterations):
         if mode > 0:
             break
+        elif power == "False":
+            break
         for i in range(strip.numPixels()):
             strip.setPixelColor(i, wheel((int(i * 256 / strip.numPixels()) + j) & 255))
         strip.show()