Bluetooth Controlled Lamp & Weather Station

//An Arduino Uno Remote Bluetooth Control Project by Joel Varghese

#include <DHT.h>
#include <LiquidCrystal.h>
#define TYPE DHT11

int rs=7; //setting up lcd pins
int en=8;
int d4=9;
int d5=10;
int d6=11;
int d7=12;

int sensePin=2; //dht sensor pin
float humidity;
float tempC;

int setTime = 500; //constants for time delay
int dt=5000;

String ic ; //bluetooth incoming string
int rPin = 6; //rgb led pin connections
int gPin = 5;
int bPin = 4;
int rBright=0;
int bBright=0;
int gBright=0;
float dfact=1;

LiquidCrystal lcd(rs,en,d4,d5,d6,d7); //create an lcd object
DHT ht(sensePin, TYPE); //create a DHT sensor object

void setup() {
  Serial.begin(9600); //UART Communication
  pinMode (rPin, OUTPUT); //setting RGB pins in output mode
  pinMode (gPin, OUTPUT);
  pinMode (bPin, OUTPUT);
  ht.begin(); //initializes the DHT SENSOR 
  lcd.begin(16,2); //initializes the LCD display
  
  
}

void loop() {
  if (Serial.available() >0){ //we are waiting for a remote Bluetooth control
    ic = Serial.readString();
    Serial.print(ic);
    Serial.print("\n");
    
    if (ic == "T") { //Temperature Display Mode has been clicked
      lcd.noBlink();
      Serial.print("Welcom");
      lcd.print ("Welcome");
      delay(2000);
      lcd.clear();
      humidity= ht.readHumidity();
      tempC = ht.readTemperature ();
      lcd.setCursor(0,0);
      lcd.print("Temp is ");
      lcd.setCursor(2,1);
      lcd.print(tempC);
      lcd.print ("C");
      delay(dt);
      lcd.clear();
      lcd.setCursor(0,0);
      lcd.print("Humidity is ");
      lcd.setCursor(2,1);
      lcd. print (humidity);
      delay(dt);
      lcd.clear();
      lcd.print("Thank You");
      delay(1000);
      lcd.clear();
    }

    else if (ic == "0"){ //Lamp Switch OFF
      rBright=0;
      bBright=0;
      gBright=0;
      dfact=0;
      
    } 
    else if (ic == "7"){ //Lamp Switch ON
      rBright=255;
      bBright=255;
      gBright=255;
      dfact=1;
      
    }
    
    else if (ic == "Red"){
      rBright=255;
      bBright=0;
      gBright=0;
      dfact=1;
    }
    else if (ic== "Blue"){
      rBright=0;
      bBright=255;
      gBright=0;
      dfact=1;
    }
    else if (ic == "Green"){
      rBright=0;
      bBright=0;
      gBright=255;
      dfact=1;
    }
     else if (ic== "Cyan"){
      rBright=0;
      bBright=255;
      gBright=255;
      dfact=1;
    }
      else if (ic == "Magenta"){
      rBright=255;
      bBright=255;
      gBright=0;
      dfact=1;
    }
     else if (ic == "Yellow"){
      rBright=255;
      bBright=0;
      gBright=255;
      dfact=1;
    }
   
    
      else if (ic =="25"){
        dfact=0.25;
      }
      else if (ic =="50"){
        dfact=0.5;
      }
      else if (ic =="75"){
        dfact=0.75;
      }
      else if (ic =="100"){
        dfact=1;
      }
     
     analogWrite(rPin, dfact*rBright);
     analogWrite(gPin, dfact*gBright);
     analogWrite(bPin, dfact*bBright);
    }
  }