摘要：
Arduino 使用按键开关 1. 代码示例 // digital pin 2 has a pushbutton attached to it. Give it a name: int pushButton = 2; // the setup routine runs once when you p 阅读全文
摘要：
Arduino 点亮小灯 1.程序代码: int delayTime = 3000; // the setup function runs once when you press reset or power the board void setup() { // initialize digita 阅读全文