Adafruit_Learning_System_Gu.../CircuitPython_Quick_Starts/CircuitPython_UART.py

22 lines
527 B
Python

# CircuitPython Demo - USB/Serial echo
import digitalio
import board
import busio
led = digitalio.DigitalInOut(board.D13)
led.direction = digitalio.Direction.OUTPUT
uart = busio.UART(board.TX, board.RX, baudrate=9600)
while True:
data = uart.read(32) # read up to 32 bytes
# print(data) # this is a bytearray type
if data is not None:
led.value = True
data_string = ''.join([chr(b) for b in data]) # convert bytearray to string
print(data_string, end="")
led.value = False