//Comments to MCU
//DHT22 Pin2>D2
//LDR AO>A0
//PIR PO>P3
#include <DHT.h>

#define DHTPIN 2
#define DHTTYPE DHT22

#define LDRPIN A0

#define PIRPIN 3

DHT dht(DHTPIN,DHTTYPE);


void setup() {
  // put your setup code here, to run once:
Serial.begin(9600);
dht.begin();
pinMode(LDRPIN, INPUT);
pinMode(PIRPIN, INPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
float t = dht.readTemperature();
float h = dht.readHumidity();


int LightLevel = analogRead(LDRPIN);
int motion = digitalRead(PIRPIN);

 //Condition for temperature
 if (t < 20)
 {
  Serial.print("Warning: Low Temperature");
  Serial.print(" | ");
 }
 else if(t > 35)
 {
  Serial.print("Warning: High Temperature");
   Serial.print(" | ");
 }
else
{
  Serial.print("Normal Temperature");
   Serial.print(" | ");
}

//Condition for humidity
if (h < 30)
{
  Serial.print("Warning: Low Humidity");
   Serial.print(" | ");
}
else if(h > 78)
{
  Serial.print("Warning: High Humidity");
   Serial.print(" | ");
}
else
{
  Serial.print("Normal Humidity");
   Serial.print(" | ");
}

//Condition for Light Level
if (LightLevel < 390)
{
  Serial.print("Warning: Low Light");
  Serial.print(" | ");
}
else if (LightLevel >168)
{
  Serial.print("Warning: High Light");
  Serial.print(" | ");
}
else
{
  Serial.print("Normal Light");
  Serial.print(" | ");
}

//Condition for Motion 
if (motion == HIGH)
{
  Serial.print("Warning: Motion Detected!");
  Serial.print(" | ");
}

else
{
  Serial.print("No Motion Detected");
}

//Serial.print(motion);

Serial.println();("");
delay(2000);
}