Mixly按键控制LED灯
实验目的及要求
实验原理与内容
实验软硬件环境
- 硬件:Arduino、LED
- 软件:MixlyIDE
实验过程
- 连线,编程:
- 图形化编程:

代码编程:
volatile boolean b1;
volatile boolean b2;
volatile byte click;
volatile boolean lastState;
volatile byte led;
volatile byte sw;
volatile boolean toggle;
void setup(){
pinMode(3, OUTPUT);
pinMode(6, INPUT_PULLUP);
lastState = digitalRead(6);
led= 0;
sw= 0;
lastState = 0;
toggle = 0;
click = 0;
b1= 0;
b2= 0;
}
void loop(){
b1= digitalRead(6);
if(b1 != lastState) {
delay(20);
b2 = digitalRead(6);
if (b2 == b1) {
lastState = b1;
click = click + 1;
}
}
if(click == 2) {
click = 0;
toggle = !toggle;
pinMode(led, OUTPUT);
digitalWrite(led,toggle);
}
}