参考: 1. https://blog.csdn.net/hunhun1122/article/details/70254606 2. http://www.51hei.com/arduino/3924.html 记录: 1.最简单的跑马灯程序 一个for循环 IDE 代码: void setup() { // initialize digital pin LED_BUILTIN as an output. pinMode(13, OUTPUT); pinMode(12, OUTPUT); pi…