Create write_serial_byte.py
Create write_serial_byte.py
jeonghoonkang/BerePi,jeonghoonkang/BerePi,jeonghoonkang/BerePi,jeonghoonkang/BerePi,jeonghoonkang/BerePi,jeonghoonkang/BerePi,jeonghoonkang/BerePi