Weather station

#include <stdio.h>
#include <DS1302.h>
#include "DHT.h"
#include <Wire.h> 
#include <Adafruit_BMP085.h>
#include <LiquidCrystal_I2C.h>

#define DHTPIN 2     // what pin we're connected to
// DHT sensor type
#define DHTTYPE DHT11   // DHT 11
//#define DHTTYPE DHT22   // DHT 22 (AM2302)
DHT dht(DHTPIN, DHTTYPE);
LiquidCrystal_I2C lcd(0x27, 20, 4);
Adafruit_BMP085 bmp;
 

const int kCePin   = 5;  // Chip Enable
const int kIoPin   = 6;  // Input/Output
const int kSclkPin = 7;  // Serial Clock

int redPin = 11;
int greenPin = 13;
int bluePin = 12;

// Create a DS1302 object.
DS1302 rtc(kCePin, kIoPin, kSclkPin);

String dayAsString(const Time::Day day) {
  switch (day) {
    case Time::kSunday: return "Sunday";
    case Time::kMonday: return "Monday";
    case Time::kTuesday: return "Tuesday";
    case Time::kWednesday: return "Wednesday";
    case Time::kThursday: return "Thursday";
    case Time::kFriday: return "Friday";
    case Time::kSaturday: return "Saturday";
  }
  return "(unknown day)";
}

void printTime() {
  // Get the current time and date from the chip.
  Time t = rtc.time();

  // Name the day of the week.
  const String day = dayAsString(t.day);

  // Format the time and date and insert into the temporary buffer.
  char buf[50];
  snprintf(buf, sizeof(buf), "%s %04d-%02d-%02d %02d:%02d:%02d",
           day.c_str(),
           t.yr, t.mon, t.date,
           t.hr, t.min, t.sec);





  // Print the formatted string to serial so we can see the time.
  Serial.println(buf);
  float h = dht.readHumidity();

  lcd.setCursor(0, 0); 
  lcd.print(h); 
  lcd.setCursor(0, 1); 
  lcd.print(t.hr);
}



void setup() {
  Serial.begin(9600);  
  if (!bmp.begin()) {
    Serial.println("Could not find a valid BMP085 sensor, check wiring!");
    while (1) {}
  }

  dht.begin();
  lcd.begin();
  lcd.clear(); 
  show_logo();
  delay(5000); 
  
  pinMode(9,OUTPUT);
  pinMode(redPin, OUTPUT);
  pinMode(greenPin, OUTPUT);
  pinMode(bluePin, OUTPUT);
  
  // Initialize a new chip by turning off write protection and clearing the
  // clock halt flag. These methods needn't always be called. See the DS1302
  // datasheet for details.
  rtc.writeProtect(false);
  rtc.halt(false);

  // Make a new time object to set the date and time.
  // Sunday, March 29, 2021 at 10:30:50.
  //Time t(2021, 03, 29, 10, 30, 50, Time::kSunday);

  // Set the time and date on the chip.
  //rtc.time(t);
}

// Loop and print the time every second.
void loop() {

  // Get the current time and date from the chip.
  Time t = rtc.time();

  // Name the day of the week.
  const String day = dayAsString(t.day);

  // Format the time and date and insert into the temporary buffer.
  char buf[50];
  snprintf(buf, sizeof(buf), "%s %04d-%02d-%02d %02d:%02d:%02d",
           day.c_str(),
           t.yr, t.mon, t.date,
           t.hr, t.min, t.sec);
    
  int h = dht.readHumidity();
  int temp = dht.readTemperature();
  
  if((t.hr >= 06) and (t.hr < 23)){  //if the time is greater than or equal to 6 a.m. and less than 23 p.m., the screen will work

  lcd.display(); //turn on
  lcd.backlight(); //turn on backlight
  
  lcd.setCursor(0, 0); 
  lcd.print("Humidity:    "); 
  lcd.print(h);
  lcd.print("%");
  
  lcd.setCursor(0, 1);
  lcd.print("Temperature: "); 
  lcd.print(temp);
  lcd.print("c");
  
  lcd.setCursor(0, 3); 
  lcd.print("Time: ");
  if(t.hr < 10) lcd.print("0");
  lcd.print(t.hr);
  lcd.print(":");
  if(t.min < 10) lcd.print("0");
  lcd.print(t.min);
  lcd.print(":");
  if(t.sec < 10) lcd.print("0");
  lcd.print(t.sec);

  float p = bmp.readPressure()/133.3;
  lcd.setCursor(0, 2);           //Place the cursor on the 0th character of the 2nd line
  lcd.print("Pressure: ");                //Displaying the text
  lcd.print(p,0);                //Displaying the pressure value
  lcd.print("mm");
  

}

  else{
  lcd.clear();
  lcd.noDisplay();
  lcd.noBacklight(); 
  }

  
int led_r=0, led_g=0, led_b=0;

//change the color of the LED from the temperature
  
if ((temp >= 0) and (temp < 5) and (t.hr >= 06) and (t.hr < 22)){   
    led_r = 1;
    led_g = 1;
    led_b = 255;
  }

if ((temp >= 5) and (temp < 10) and (t.hr >= 06) and (t.hr < 22)){   
    led_r = 1;
    led_g = 50;
    led_b = 255;
  }
  
if ((temp >= 10) and (temp < 15) and (t.hr >= 06) and (t.hr < 22)){   
    led_r = 1;
    led_g = 200;
    led_b = 200;
  }

if ((temp >= 15) and (temp < 20) and (t.hr >= 06) and (t.hr < 22)){   
    led_r = 1;
    led_g = 250;
    led_b = 200;
  }
  
if ((temp >= 20) and (temp < 25) and (t.hr >= 06) and (t.hr < 22)){   
    led_r = 10;
    led_g = 200;
    led_b = 1;
  }

if ((temp >= 25) and (temp < 30) and (t.hr >= 06) and (t.hr < 22)){   
    led_r = 150;
    led_g = 150;
    led_b = 1;
  }


if ((temp >= 30) and (temp < 35) and (t.hr >= 06) and (t.hr < 22)){   
    led_r = 255;
    led_g = 255;
    led_b = 1;
  }

if ((temp >= 35) and (temp < 40) and (t.hr >= 06) and (t.hr < 22)){   
    led_r = 255;
    led_g = 1;
    led_b = 1;
  }

  analogWrite(redPin, led_r);
  analogWrite(greenPin, led_g);
  analogWrite(bluePin, led_b);
  delay(1000);
}

void show_logo() {
  lcd.setCursor(7, 1);
  lcd.print("Meteo");
  lcd.setCursor(6, 2);
  lcd.print("Station");



}