supercoolernohumid

//ossipee's super cooler code,




//add some libraries
#include <DHT.h> //one of many possible DHT22 libs
#include <LiquidCrystal.h> //lcd libs

#define DHTPIN 2 //pin that DHT is connected to
#define DHTPIN3 3 //pin that second DHT is connected to
#define DHTTYPE DHT22 //Sensor we are using
#define DHTTYPE3 DHT22 // Second sensor we are using
#define f insideTemp //speariment
#define h insideHumid //
#define f3 outsideTemp //
#define h3 outsideHumid //


int insideTemp = f;
unsigned int insideHumid = h;

int outsideTemp = f3 ;
unsigned int outsideHumid = h3;

DHT dht(DHTPIN, DHTTYPE); //defines location for DHT
DHT dht3(DHTPIN3, DHTTYPE); //defines location for second DHT

LiquidCrystal lcd(8, 9, 4, 5, 6, 7);

byte fanrelaypin = 4; // call relay fan pin
byte damperrelaypin = 5; //call relay damper pin

void setup() {
  // set up the LCD's number of rows and columns:
  lcd.begin(16, 2);
  pinMode(fanrelaypin, OUTPUT);
  digitalWrite(fanrelaypin, LOW);//start with the relay off
  pinMode(damperrelaypin, OUTPUT);
  digitalWrite(damperrelaypin, LOW);//start with the relay off

 }

void loop() {

  //set cursor to column 0, line 0.
  lcd.setCursor(0,0);
  //print Miracle
  lcd.print("Miracle");
  lcd.setCursor(0,1);
  //print Mechanicals
  lcd.print("Mechanicals");

  delay(2000);//wait two seconds before taking readings


  float h = dht.readHumidity(); //defines the variable for humidity
  float t = dht.readTemperature(1); //defines the variable for temperature. (1)converts C to f



  // set the cursor to column 0, line 0
  lcd.setCursor(0,0);
  // print the humidity
  lcd.print("Humidin ");
  lcd.print(h);
  lcd.print(" % ");
  //move line down
  lcd.setCursor(0,1);
  lcd.print("Tempin ");
  lcd.print(t);
  lcd.print(" *F");


  delay(2000); //wait two sec. before taking another reading.



  float h3 = dht3.readHumidity(); //defines the variable for humidity
  float t3 = dht3.readTemperature(1); //defines the variable for temperature

  // set the cursor to column 0, line 0
  lcd.setCursor(0,0);
  // print the humidity
  lcd.print("Humidout ");
  lcd.print(h3);
  lcd.print(" % ");
  //move line down
  lcd.setCursor(0,1);
  lcd.print("Tempout ");
  lcd.print(t3);
  lcd.print(" *F");


  if(f < 30 + f3 > 35) // if outside temp less than 30f and cooler warmer than 35f

  {
   digitalWrite(damperrelaypin, HIGH); // open exhaust damper
   digitalWrite(fanrelaypin, HIGH); // turn on outside supply air fan
  }

  else

  {
    digitalWrite(fanrelaypin, LOW);
    digitalWrite(damperrelaypin, LOW);
  }

  delay(2000); //wait two sec. before taking another reading.




 }