1 /*
2  * Copyright (c) 2006-2023, RT-Thread Development Team
3  *
4  * SPDX-License-Identifier: Apache-2.0
5  *
6  * Change Logs:
7  * Date           Author         Notes
8  * 2023-12-29     ChuShicheng    first version
9  */
10 
11 #include <Arduino.h>
12 
setup(void)13 void setup(void)
14 {
15     /* put your setup code here, to run once: */
16     Serial2.begin();
17 }
18 
loop(void)19 void loop(void)
20 {
21     /* put your main code here, to run repeatedly: */
22     Serial2.println("Hello Arduino!");
23     delay(800);
24 }
25