printwire notes

Signed-off-by: erictsoi <ericchiwaitsoi@hotmail.com>
Merge commit '9c15f4621f12e9dcb0c43ed203f674d7b5a42e6d'

# By denistsoi
# Via denistsoi (1) and erictsoi (1)
* commit '9c15f4621f12e9dcb0c43ed203f674d7b5a42e6d':
  edit baby sensor.mdown