激光传感器的使用

能实现无接触远距离测量、速度快、精度高、量程大、抗光、电干扰能力强，应用于各种长距离、大区域安防检测、工业自动化光电信号检测等。

序号	arduino引脚	模块引脚
1	D2	发射管S
2	5V	发射管Vcc
3	GND	发射管GND
4	D3	接收管S
5	5V	接收管Vcc
6	GND	接收管GND

int lasersend = 2;

int laserrev = 3;

int revled = 13;

int val;

void setup() {

  // put your setup code here, to run once:

  pinMode(lasersend, OUTPUT);

  pinMode(laserrev, INPUT);

  pinMode(revled, OUTPUT);

  digitalWrite(lasersend; HIGH);

}

 

void loop() {

  // put your main code here, to run repeatedly:

  val = digitalRead(laserrev);

  if (val == HIGH)

  {

    digitalWrite(revled, HIGH);

  }

  else {

    digitalWrite(revled, LOW);

  }

}