24 lines
600 B
Python
24 lines
600 B
Python
# Trinket IO demo - USB/Serial echo
|
|
|
|
import board
|
|
import busio
|
|
from digitalio import DigitalInOut, Direction
|
|
|
|
led = DigitalInOut(board.D13)
|
|
led.direction = Direction.OUTPUT
|
|
|
|
# You can also use board.TX and board.RX for prettier code!
|
|
uart = busio.UART(board.D4, board.D3, 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
|
|
datastr = ''.join([chr(b) for b in data])
|
|
print(datastr, end="")
|
|
|
|
led.value = False
|