# This work is licensed under the MIT license. # Copyright (c) 2013-2023 OpenMV LLC. All rights reserved. # https://github.com/openmv/openmv/blob/master/LICENSE # # UART Control # # This example shows how to use the serial port on your OpenMV Cam. Attach pin # P4 to the serial input of a serial LCD screen to see "Hello World!" printed # on the serial LCD display. import time from pyb import UART # Always pass UART 3 for the UART number for your OpenMV Cam. # The second argument is the UART baud rate. For a more advanced UART control # example see the BLE-Shield driver. uart = UART(3, 19200, timeout_char=200) while True: uart.write("Hello World!\r") time.sleep_ms(1000)