Lane of Things Group 706

// This #include statement was automatically added by the Particle IDE.
//CO2 sensor
#include <MQ135.h>
#define MQ135_H

// This #include statement was automatically added by the Particle IDE.
//Dust sensor
#include <SharpDustSensor.h>
#define __SHARPDUSTSENSOR_H__

// This #include statement was automatically added by the Particle IDE.
//Humdity and tempature sensor
#include <CarbonLibrary.h>
#include <Adafruit_DHT.h>
#define DHTPIN 4            // what pin we're connected to
#define DHTTYPE DHT22       // DHT 22 (AM2302)

//Carbon monoxide
// These constants won't change.  They're used to give names
// to the pins used:
const int analogInPin = 0;  // Analog input pin that the potentiometer is attached to
const int ledPin = 7;                 // LED connected to digital pin 13

int sensorValue = 0;        // value read from the sensor

//Humdity and tempature sensor
//Sets to which pin to draw data from
DHT dht(DHTPIN, DHTTYPE);

double hum;                 // current hum
double temp;                // current temp

//CO sensor
double carbonMonoxide;

//Dust sensor
/*
 Standalone Sketch to use with a Arduino UNO and a
 Sharp Optical Dust Sensor GP2Y1010AU0F
*/

SharpDustSensor sharp(-1, D0, A2);

int measurePin = 2; //Connect dust sensor to Arduino A2 pin
int ledPower = 0;   //Connect 3 led driver pins of dust sensor to Arduino D0
 
int samplingTime = 280;
int deltaTime = 40;
int sleepTime = 9680;
 
float voMeasured = 0;
float calcVoltage = 0;
float dustDensity = 0;

double dust;

void setup() 
{
    //Humidity and temperature sensor
    Serial.begin(9600);
    pinMode(DHTPIN, INPUT);
    
    Particle.variable("hum", hum);
    Particle.variable("temp", temp);
    
    //CO2 sensor
    Serial.begin(9600);      // sets the serial port to 9600
    Particle.variable("carbonMono", carbonMonoxide);
    
    // initialize serial communications at 9600 bps:
    Serial.begin(9600); 
    pinMode(ledPin, OUTPUT);      // sets the digital pin as output
    
    //Dust sensor
    Serial.begin(9600);
    pinMode(ledPower,OUTPUT);
  
    Particle.variable("dust", dust);
}

void loop() 
{    
    //Humidity and temperature sensor
    double checkHum = dht.getHumidity();
    double checkTemp = dht.getTempFarenheit();
    
    if (checkHum > 0 && checkHum < 100)
        hum = checkHum;
        
    if (checkTemp > 32 && checkTemp < 100)
        temp = checkTemp;
    
    Serial.println("Temp: " + String(checkTemp));
    Serial.println("Hum: " + String(checkHum));
    
    //Dust sensor
    digitalWrite(ledPower,LOW); // power on the LED
    delayMicroseconds(samplingTime);
     
    voMeasured = analogRead(measurePin); // read the dust value
     
    delayMicroseconds(deltaTime);
    digitalWrite(ledPower,HIGH); // turn the LED off
    delayMicroseconds(sleepTime);
    
    // 0 - 5V mapped to 0 - 1023 integer values
    // recover voltage
    calcVoltage = voMeasured * (5.0 / 1024.0);

    // linear eqaution taken from http://www.howmuchsnow.com/arduino/airquality/
    // Chris Nafis (c) 2012
    dustDensity = 0.17 * calcVoltage - 0.1;
    
    //dust = sharp.getDensity();
    dust = 0.17 * calcVoltage - 0.1;

    Serial.print("Raw Signal Value (0-1023): ");
    Serial.println(voMeasured);

    Serial.print(" - Voltage: ");
    Serial.println(calcVoltage);
    
    Serial.print(" - Dust Density: ");
    //Serial.println(dustDensity); // unit: mg/m3
    Serial.println(dust);
    
    //CO2
    // read the analog in value:
    sensorValue = analogRead(analogInPin);            
    // determine alarm status
    if (sensorValue >= 750)
    {
        digitalWrite(ledPin, HIGH);   // sets the LED on
    }
    else
    {
    digitalWrite(ledPin, LOW);    // sets the LED off
    }
  
    carbonMonoxide = sensorValue;
    
    // print the results to the serial monitor:
    Serial.print("sensor = " );                       
    Serial.println(sensorValue);     
    
     
    delay(3000);
    //delay(60000);// wait 60000 ms for next reading(every minute)
}