Add some example scripts for pyboard (some can run on PC).

examples/accellog.py

@@ -0,0 +1,14 @@
+# log the accelerometer values to a file, 1 per second
+
+f = open('motion.dat', 'w')                 # open the file for writing
+
+for i in range(60):                         # loop 60 times
+    time = pyb.time()                       # get the current time
+    accel = pyb.accel()                     # get the accelerometer data
+
+    # write time and x,y,z values to the file
+    f.write('{} {} {} {}\n'.format(time, accel[0], accel[1], accel[2]))
+
+    pyb.delay(1000)                         # wait 1000 ms = 1 second
+
+f.close()                                   # close the file