Adafruit_Learning_System_Gu.../CircuitPython_Essentials/CircuitPython_UART.py
2021-07-26 11:52:57 +01:00

25 lines
636 B
Python

"""CircuitPython Essentials UART Serial example"""
import board
import busio
import digitalio
# For most CircuitPython boards:
led = digitalio.DigitalInOut(board.LED)
# For QT Py M0:
# led = digitalio.DigitalInOut(board.SCK)
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
# convert bytearray to string
data_string = ''.join([chr(b) for b in data])
print(data_string, end="")
led.value = False