Merge pull request #563 from turbinenreiter/patch-2

updated to use new pyb.Accel() object

examples/ledangle.py

+import pyb
+
 def led_angle(seconds_to_run_for):
     # make LED objects
     l1 = pyb.Led(1)
     l2 = pyb.Led(2)
+    accel = pyb.Accel() 
 
     for i in range(20 * seconds_to_run_for):
         # get x-axis
-        accel = pyb.accel()[0]
+        x = accel.x()
 
         # turn on LEDs depending on angle
-        if accel < -10:
+        if x < -10:
             l1.on()
             l2.off()
-        elif accel > 10:
+        elif x > 10:
             l1.off()
             l2.on()
         else: