[更好用的单片机]Stduino学习（十九）红外避障模块

int LED = 13;
int BUTTON = 8;
int val;

void setup()
{
  // put your setup code here, to run once:
   pinMode(LED,OUTPUT);
   pinMode(BUTTON,INPUT);
}
void loop()
{
  // put your main code here, to run repeatedly:
    val = digitalRead(BUTTON);
    if(val == 0)//如果监测到障碍物
    {
        digitalWrite(LED,LOW);//点亮板载LED
        delay(1000);
    }
    else
    {
        digitalWrite(LED,HIGH);//否则熄灭
        delay(10);
    }
}