Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you may not be able to execute some actions.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
import time from pyb import UART
uart = UART(3, 19200)
while(True): uart.write("Hello World!\r") time.sleep_ms(1000)