lights: bruteforce sequence numbers when testing

lights.py

@@ -90,7 +90,5 @@ def make_stripe_data(pixellist):
 
 if __name__ == '__main__':
     colors = make_stripe_data([0, 255, 255, 0] * 24)
-    SEQUENCE = 0
-    send(colors)
-    SEQUENCE = 128
-    send(colors)
+    for i in range(128): # bruteforce sequence numbers
+        send_broadcast(colors)