mod: demo example menu. led blinks when an example is chosen

Author: eigen-value

examples/demo/demo.py

@@ -31,6 +31,9 @@ def update_led_status(val):
     try:
 
         if alvik.get_touch_ok():
+            alvik.left_led.set_color(0, 0, 0)
+            alvik.right_led.set_color(0, 0, 0)
+            sleep_ms(500)
             while not alvik.get_touch_cancel():
                 if menu_status == 0:
                     run_line_follower(alvik)