usonic.py: import usonic distance detection
usonic.py: import usonic distance detection

Import usonic distance detection module:
Standalone program.

Signed-off-by: Macpaul Lin <36727fb51abe17ad607f8f6bb2e8c1f935e6588e@gmail.com>

Swind/TuringCoffee,Swind/TuringCoffee