ESP32+Mixly+LED交通信号灯模块
void setup(){
pinMode(13, OUTPUT); // 定义引脚13为输出
pinMode(12, OUTPUT); // 定义引脚12为输出·
pinMode(14, OUTPUT); // 定义引脚14为输出
}
void loop(){
while (true) {
digitalWrite(13,HIGH);// 点亮LED R
delay(1000);
digitalWrite(13,LOW);// 熄灭LED
delay(1000);
digitalWrite(12,HIGH);// 点亮LED Y
delay(1000);
digitalWrite(12,LOW);// 熄灭LED
delay(1000);
digitalWrite(14,HIGH);// 点亮LED G
delay(1000);
digitalWrite(14,LOW);// 熄灭LED
delay(1000);
}
}
