"""CircuitPython Essentials UART Serial example""" import board import busio import digitalio # For most CircuitPython boards: led = digitalio.DigitalInOut(board.D13) # 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