// include the library code:
#include <LiquidCrystal.h>
#include <dht.h>
#include <Adafruit_MPU6050.h>
#include <Adafruit_Sensor.h>
#include <Wire.h>

dht DHT;
Adafruit_MPU6050 mpu;
const float BETA = 3950; // should match the Beta Coefficient of the thermistor
#define DHT22_PIN 6

// initialize the library with the numbers of the interface pins
LiquidCrystal lcd(12, 11, 10, 9, 8, 7);

// set up a constant for the tilt switch pin
const int switchPin = 1;

// variable to hold the value of the switch pin
int switchState = 0;

// variable to hold previous value of the switch pin
int prevSwitchState = 0;

// a variable to choose which reply from the crystal ball
int reply;

void setup() {
  pinMode(2, OUTPUT);
  pinMode(3, OUTPUT);
  pinMode(4, OUTPUT);
  pinMode(5, OUTPUT);
  Serial.begin(9600);
  lcd.begin(20, 4);
  pinMode(switchPin, INPUT);
  while (!Serial)
    delay(10); // will pause Zero, Leonardo, etc until serial console opens

  Serial.println("Adafruit MPU6050 test!");

  // Try to initialize!
  if (!mpu.begin()) {
    Serial.println("Failed to find MPU6050 chip");
    while (1) {
      delay(10);
    }
  }
  Serial.println("MPU6050 Found!");

  mpu.setAccelerometerRange(MPU6050_RANGE_8_G);
  Serial.print("Accelerometer range set to: ");
  switch (mpu.getAccelerometerRange()) {
  case MPU6050_RANGE_2_G:
    Serial.println("+-2G");
    break;
  case MPU6050_RANGE_4_G:
    Serial.println("+-4G");
    break;
  case MPU6050_RANGE_8_G:
    Serial.println("+-8G");
    break;
  case MPU6050_RANGE_16_G:
    Serial.println("+-16G");
    break;
  }
  mpu.setGyroRange(MPU6050_RANGE_2000_DEG);
  Serial.print("Gyro range set to: ");
  switch (mpu.getGyroRange()) {
  case MPU6050_RANGE_250_DEG:
    Serial.println("+- 250 deg/s");
    break;
  case MPU6050_RANGE_500_DEG:
    Serial.println("+- 500 deg/s");
    break;
  case MPU6050_RANGE_1000_DEG:
    Serial.println("+- 1000 deg/s");
    break;
  case MPU6050_RANGE_2000_DEG:
    Serial.println("+- 2000 deg/s");
    break;
  }

  mpu.setFilterBandwidth(MPU6050_BAND_21_HZ);
  Serial.print("Filter bandwidth set to: ");
  switch (mpu.getFilterBandwidth()) {
  case MPU6050_BAND_260_HZ:
    Serial.println("260 Hz");
    break;
  case MPU6050_BAND_184_HZ:
    Serial.println("184 Hz");
    break;
  case MPU6050_BAND_94_HZ:
    Serial.println("94 Hz");
    break;
  case MPU6050_BAND_44_HZ:
    Serial.println("44 Hz");
    break;
  case MPU6050_BAND_21_HZ:
    Serial.println("21 Hz");
    break;
  case MPU6050_BAND_10_HZ:
    Serial.println("10 Hz");
    break;
  case MPU6050_BAND_5_HZ:
    Serial.println("5 Hz");
    break;
  }

  Serial.println("");
  delay(100);
}

void loop() {
  int analogValue = analogRead(A0);
  float celsius = 1 / (log(1 / (1023. / analogValue - 1)) / BETA + 1.0 / 298.15) - 273.15;
  uint32_t start = micros();
  int chk = DHT.read22(DHT22_PIN);
  uint32_t stop = micros();
  digitalWrite(2,HIGH);
  lcd.print("Temperature(C):");
  lcd.print(celsius);
  lcd.setCursor(0, 1);
  lcd.print("humidity(%):");
  lcd.print(DHT.humidity);
  sensors_event_t a, g, temp;
  mpu.getEvent(&a, &g, &temp);
  lcd.setCursor(0, 2);
  lcd.print("Acc(m/s^2): X:");
  lcd.print(a.acceleration.x);
  lcd.setCursor(0, 3);
  lcd.print("Y:");
  lcd.print(a.acceleration.y);
  lcd.print(" Z:");
  lcd.print(a.acceleration.z);
  if(celsius>=50){
    digitalWrite(3,HIGH);
    digitalWrite(4,HIGH);
    digitalWrite(5,HIGH);
    digitalWrite(2,HIGH);
    delay(200);
    digitalWrite(2,LOW);
    delay(200);
    digitalWrite(2,HIGH);
    delay(200);
    digitalWrite(2,LOW);
    delay(200);
    digitalWrite(2,HIGH);
    delay(200);
    digitalWrite(2,LOW);
    delay(200);
    digitalWrite(2,HIGH);
    delay(200);
    digitalWrite(2,LOW);
    delay(200);
    digitalWrite(2,HIGH);
    delay(200);
    digitalWrite(2,LOW);
    delay(200);
  }
  else if(celsius>=40){
    digitalWrite(3,HIGH);
    digitalWrite(4,HIGH);
    digitalWrite(5,LOW);
    digitalWrite(2,HIGH);
    delay(250);
    digitalWrite(2,LOW);
    delay(250);
    digitalWrite(2,HIGH);
    delay(250);
    digitalWrite(2,LOW);
    delay(250);
    digitalWrite(2,HIGH);
    delay(250);
    digitalWrite(2,LOW);
    delay(250);
    digitalWrite(2,HIGH);
    delay(250);
    digitalWrite(2,LOW);
    delay(250);
  }
  else if(celsius>=30){
    digitalWrite(3,HIGH);
    digitalWrite(4,LOW);
    digitalWrite(5,LOW);
    digitalWrite(2,HIGH);
    delay(500);
    digitalWrite(2,LOW);
    delay(500);
    digitalWrite(2,HIGH);
    delay(500);
    digitalWrite(2,LOW);
    delay(500);
  }
  else{
    digitalWrite(3,LOW);
    digitalWrite(4,LOW);
    digitalWrite(5,LOW);
    digitalWrite(2,HIGH);
    delay(1000);
    digitalWrite(2,LOW);
    delay(1000);
  }
  delay(2000);
  digitalWrite(2,LOW);
  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("Rotation(rad/s)");
  lcd.setCursor(0, 1);
  lcd.print("X:");
  lcd.print(g.gyro.x);
  lcd.print(" Y:");
  lcd.print(g.gyro.y);
  lcd.setCursor(0, 2);
  lcd.print("Z:");
  lcd.print(g.gyro.z);
  if(celsius>=50){
    digitalWrite(3,HIGH);
    digitalWrite(4,HIGH);
    digitalWrite(5,HIGH);
    digitalWrite(2,HIGH);
    delay(200);
    digitalWrite(2,LOW);
    delay(200);
    digitalWrite(2,HIGH);
    delay(200);
    digitalWrite(2,LOW);
    delay(200);
    digitalWrite(2,HIGH);
    delay(200);
    digitalWrite(2,LOW);
    delay(200);
    digitalWrite(2,HIGH);
    delay(200);
    digitalWrite(2,LOW);
    delay(200);
    digitalWrite(2,HIGH);
    delay(200);
    digitalWrite(2,LOW);
    delay(200);
  }
  else if(celsius>=40){
    digitalWrite(3,HIGH);
    digitalWrite(4,HIGH);
    digitalWrite(5,LOW);
    digitalWrite(2,HIGH);
    delay(250);
    digitalWrite(2,LOW);
    delay(250);
    digitalWrite(2,HIGH);
    delay(250);
    digitalWrite(2,LOW);
    delay(250);
    digitalWrite(2,HIGH);
    delay(250);
    digitalWrite(2,LOW);
    delay(250);
    digitalWrite(2,HIGH);
    delay(250);
    digitalWrite(2,LOW);
    delay(250);
  }
  else if(celsius>=30){
    digitalWrite(3,HIGH);
    digitalWrite(4,LOW);
    digitalWrite(5,LOW);
    digitalWrite(2,HIGH);
    delay(500);
    digitalWrite(2,LOW);
    delay(500);
    digitalWrite(2,HIGH);
    delay(500);
    digitalWrite(2,LOW);
    delay(500);
  }
  else{
    digitalWrite(3,LOW);
    digitalWrite(4,LOW);
    digitalWrite(5,LOW);
    digitalWrite(2,HIGH);
    delay(1000);
    digitalWrite(2,LOW);
    delay(1000);
  }
  delay(2000);
  digitalWrite(2,HIGH);
  lcd.clear();
}