/* * Copyright (c) 2006-2023, RT-Thread Development Team * * SPDX-License-Identifier: Apache-2.0 * * Change Logs: * Date Author Notes * 2023-12-30 ChuShicheng first version */ #include void setup(void) { /* put your setup code here, to run once: */ Serial2.begin(); } void loop(void) { /* put your main code here, to run repeatedly: */ Serial2.println("Hello Arduino!"); delay(800); }