一、电路图
二、程序1234567891011121314151617181920212223242526272829boolean pushButton1;boolean pushButton2;int ledpin=9;int brightness=128;void setup() { // put your setup code here, to run once: pi...
一、按键介绍按键相连不同侧,同侧不相连按键是一种数字输入,可以识别两种状态
HIGH
LOW
二、搭建电路上拉电阻为10K
三、代码123456789101112131415void setup() { // initialize serial communication at 9600 bits per second: Serial.begin(9600);//串口通信初...