Merge pull request #22 from caternuson/iss21

Update README

Author: caternuson

README.rst

@@ -63,15 +63,16 @@ Usage Example
 
     import board
     import busio
-    import adafruit_bno08x
+    from adafruit_bno08x.i2c import BNO08X_I2C
+    from adafruit_bno08x import BNO_REPORT_ACCELEROMETER
 
     i2c = busio.I2C(board.SCL, board.SDA)
-    bno = adafruit_bno08x.BNO08X(i2c)
+    bno = BNO08X_I2C(i2c)
+    bno.enable_feature(BNO_REPORT_ACCELEROMETER)
 
     while True:
-        quat = bno.rotation_vector
-        print("Rotation Vector Quaternion:")
-        print("I: %0.3f J: %0.3f K: %0.3f Accuracy: %0.3f"%(quat.i, quat.j, quat.k, quat.accuracy))
+        accel_x, accel_y, accel_z = bno.acceleration  # pylint:disable=no-member
+        print("X: %0.6f  Y: %0.6f Z: %0.6f  m/s^2" % (accel_x, accel_y, accel_z))
 
 Contributing
 ============