Dust Sensor

20.00 ر.س

In stock

Description

Description:

Specifications:

  • Low Current Consumption (MAX: 20mA)
  • Typical Operating Voltage: 4.5V to 5.5V (MAX: 7V)
  • The presence of dust can be detected by the photometry of only one pulse
  • Enable to distinguish smoke from house dust
  • Dimensions: 1.81 x 1.18 x 0.69” (46.0 x 30.0 x 17.6mm)

Cabling & Coding

Connections:

Cabling Vedio:

Code:


int measurePin = A5;
int ledPower = 12;

unsigned int samplingTime = 280;
unsigned int deltaTime = 40;
unsigned int sleepTime = 9680;
float voMeasured = 0;
float calcVoltage = 0;
float dustDensity = 0;
void setup(){
Serial.begin(9600);
pinMode(ledPower,OUTPUT);
}
void loop(){
digitalWrite(ledPower,LOW);
delayMicroseconds(samplingTime);
voMeasured = analogRead(measurePin);
delayMicroseconds(deltaTime);
digitalWrite(ledPower,HIGH);
delayMicroseconds(sleepTime);
calcVoltage = voMeasured*(5.0/1024);
dustDensity = 0.17*calcVoltage-0.1;
if ( dustDensity < 0)
{
dustDensity = 0.00;
}
Serial.println(“Raw Signal Value (0-1023):”);
Serial.println(voMeasured);
Serial.println(“Voltage:”);
Serial.println(calcVoltage);
Serial.println(“Dust Density:”);
Serial.println(dustDensity);
delay(1000);
}

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