다두이노-아두이노 전문쇼핑몰

[0118] PM2.5 미세먼지 센서

특징

배선 2.0mm-6P 1개

150유로 저항 1/4W 1개

220uF 전해 커패시터 1개

int dustPin=0;

float dustVal=0;

int ledPower=2;

int delayTime=280;

int delayTime2=40;

float offTime=9680;

void setup(){

Serial.begin(9600);

pinMode(ledPower,OUTPUT);

pinMode(dustPin, INPUT);

}

void loop(){

// ledPower is any digital pin on the arduino connected to Pin 3 on the sensor

digitalWrite(ledPower,LOW);

delayMicroseconds(delayTime);

dustVal=analogRead(dustPin);

delayMicroseconds(delayTime2);

digitalWrite(ledPower,HIGH);

delayMicroseconds(offTime);

delay(1000);

if (dustVal>36.455)

Serial.println((float(dustVal/1024)-0.0356)*120000*0.035);

}