Mirror Project

              Project : Mirror with Time clock, LEDs showing the Temperature and Time

Project Members: Yusra Ibrahim (M00945580), Maheen Yassar (M00931044), 

                                Lanisha Gurung (M00960404)

Project Ideas:

     A mirror that includes the real time clock, LEDs which shows the temperature and humidity and alarm for time set.

Equipment's:

1. Timeclock - RTC DS1307

2. Temperature sensor - BMP80 Adafruit

3. LED Display - 1620A 

4. Humidity - DHT11

5. Buzzer


Planning of Project: 

- The LED display turns on showing the time and temperature

- Time clock for to set a certain time

-When the exact time is set the buzzer goes on


Explanation of this project:

In this mirror project, it is a idea of making a mirror that shows a temperature, time and a alarm where we set a time for our important meeting, events and so on and buzzer on/off. For this project we have used the arduino kit, other equipments as mentioned above and the codes from the example of arduino which are: 

DHT11 Sensor Reader for Arduino - Code for the humidity and temperature reader.


Liquid Crystal_I2C.h - Code for the LED to show temperature and time.


uRTCLib.h - Code for Real Time Clock and alarm.



Codes used for Project:

/**    

  

* DHT11 Sensor Reader for Arduino      

* This sketch reads temperature and humidity data from the DHT11 sensor and prints the values to the serial port.      

* It also handles potential error states that might occur during reading.      

* Author: Dhruba Saha      

* Version: 2.0.0    

* License: MIT      

*/     

  

#include <Wire.h>    

#include <LiquidCrystal_I2C.h>     

LiquidCrystal_I2C lcd(0x27,20,4);  // set the LCD address to 0x27 for a 16 chars and 2 line display      

// Include the DHT11 library for interfacing with the sensor.     

#include <DHT11.h>     

// Create an instance of the DHT11 class.    

// - For Arduino: Connect the sensor to Digital I/O Pin 2.     

// - For ESP32: Connect the sensor to pin GPIO2 or P2.      

// - For ESP8266: Connect the sensor to GPIO2 or D4.     

DHT11 dht11(2);     

#include "Arduino.h"     

#include "uRTCLib.h"     

#include <Wire.h>    

#include <TimeLib.h>    

#include <DS1307RTC.h>    

// uRTCLib rtc;     

uRTCLib rtc(0x68);   

  

void setup()   

{        

pinMode(12, OUTPUT);   

    // Initialize serial communication to allow debugging and data readout.      

    // Using a baud rate of 9600 bps.      

    // set up the LCD's number of rows and columns:       

    lcd.begin(16, 2);     

    Serial.begin(9600);     

    lcd.init();                      // initialize the lcd      

    lcd.backlight();     

    lcd.setCursor(0,0);     

    lcd.print("Temp: ");     

    lcd.setCursor(0,1);     

    lcd.print("Time: ");     

  #ifdef ARDUINO_ARCH_ESP8266     

    URTCLIB_WIRE.begin(0, 2); // D3 and D4 on ESP8266     

   #else     

    URTCLIB_WIRE.begin();     

   #endif   

}      

  

void loop() {   

    // Attempt to read the temperature and humidity values from the DHT11 sensor.      

    int temperature = dht11.readTemperature();      

  lcd.setCursor(6,0);     

  lcd.print(temperature );     

    // If using ESP32 or ESP8266 (xtensa architecture), uncomment the delay below.      

    // This ensures stable readings when calling methods consecutively.      

    // delay(50);      

     if (temperature != DHT11::ERROR_CHECKSUM && temperature != DHT11::ERROR_TIMEOUT )     

     {      

        Serial.print("Temperature: ");     

        Serial.print(temperature);      

        Serial.println(" °C");      

    }      

    else      

    {      

         if (temperature == DHT11::ERROR_TIMEOUT || temperature == DHT11::ERROR_CHECKSUM)      

        {      

            Serial.print("current temperature: ");      

            Serial.println(DHT11::getErrorString(temperature));      

         }      

    }      

     // Wait for 1 seconds before the next reading.     

       rtc.refresh();     

  Serial.print("RTC DateTime: ");  

  Serial.print(' ');     

  Serial.print(rtc.hour());     

  Serial.print(':');     

  Serial.print(rtc.minute());     

  Serial.print(':');     

  Serial.print(rtc.second());

if(rtc.hour()==15&&rtc.minute()==12){ 

  Serial.print("ALARM");    

  digitalWrite(12, HIGH);   // turn the LED on (HIGH is the voltage level)    

  delay(1000);                       // wait for a second    

  digitalWrite(12, LOW);    // turn the LED off by making the voltage LOW    

} // end    

   lcd.setCursor(6,1);    //  

  lcd.print(rtc.hour());    

  lcd.print(':');    

  lcd.print(rtc.minute());     

  lcd.print(':');     

  lcd.print(rtc.second());     

  Serial.print(" - Temp: ");     

  Serial.print(rtc.temp()  / 100);     

    Serial.println();     

}    // end





YouTube link of Mirror project:

https://youtu.be/lBT7rbpHFas?si=Bmcp29VSDFCu-BI0






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