/*
TinkerCAD Circuit Design Contest - 2022
---------------------------------------------------------------------------------------------------------
Project Name : Home Automation Using IOT
Components Used : Esp32, DHT22, Relay Module, IR sensor, LCD I2C, PIR, LED, Breadboards.
---------------------------------------------------------------------------------------------------------
==========================================================================================================
Blynk IoT platform
Blynk Credentials : (to access the dashboard)
Mail Id : [email protected]
Password: ******
===========================================================================================================
*/
#define BLYNK_TEMPLATE_ID "TMPLgCeV0y1b"
#define BLYNK_DEVICE_NAME "Home"
#define BLYNK_AUTH_TOKEN "93h-1b23ewIQooDTdB2y2COGacfYkbdO"
#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27, 20, 4);
#define BLYNK_PRINT Serial
#include <WiFi.h>
#include <WiFiClient.h>
#include <BlynkSimpleEsp32.h>
#include "DHTesp.h"
BlynkTimer timer;
char auth[] = BLYNK_AUTH_TOKEN;
char ssid[] = "Wokwi-GUEST";
char pass[] = "";
int val = 0, va1,va2,va3,va4,va5,ge, t =15 ;
float tmp,hum = 0;
int ledPin = 33;
int inputPin = 27;
int pirState,k;
int v = 0;
//temp symbol
byte t1[8]={B00000, B00001, B00010, B00100, B00100, B00100, B00100, B00111,};
byte t2[8]={B00111, B00111, B00111, B01111,B11111, B11111, B01111, B00011,};
byte t3[8]={B00000, B10000, B01011, B00100, B00111, B00100, B00111, B11100,};
byte t4[8]={B11111, B11100, B11100, B11110,B11111, B11111, B11110, B11000,};
//humidity symbol
byte hum1[8]={B00000, B00001, B00011, B00011,B00111, B01111, B01111, B11111,};
byte hum2[8]={B11111, B11111, B11111, B01111,B00011, B00000, B00000, B00000,};
byte hum3[8]={B00000, B10000, B11000, B11000, B11100, B11110, B11110, B11111,};
byte hum4[8]={B11111, B11111, B11111, B11110, B11100, B00000, B00000, B00000,};
//Home Symbol
byte house1[8]={B00000, B00001, B00011, B00011, B00111, B01111, B01111, B11111,};
byte house2[8]={B11111, B11111, B11100, B11100, B11100, B11100, B11100, B11100,};
byte house3[8]={B00000, B10010, B11010, B11010, B11110, B11110, B11110, B11111,};
byte house4[8]={B11111, B11111, B11111, B10001, B10001, B10001, B11111, B11111,};
byte d[8] = { 0b00011,0b00011,0b00000,0b00000,0b00000,0b00000,0b00000,0b00000 };
byte Lck[] = { B01110, B10001, B10001, B11111, B11011, B11011, B11111, B00000 };
DHTesp temps;
BLYNK_WRITE(V0){
va1 = param.asInt();
digitalWrite(5, va1);
}
BLYNK_WRITE(V1){
va2 = param.asInt();
digitalWrite(18, va2);
}
BLYNK_WRITE(V2){
va3 = param.asInt();
digitalWrite(19, va3);
}
BLYNK_WRITE(V3){
va4 = param.asInt();
digitalWrite(4, va4);
}
BLYNK_WRITE(V4){
va5 = param.asInt();
digitalWrite(2, va5);
}
BLYNK_WRITE(V7) {
pirState = param.asInt();
if(pirState == 0){
digitalWrite(ledPin, LOW);
k = 1;
ge = 0;
}
else {
digitalWrite(ledPin, HIGH);
k= 0;
ge = 1;
}
}
void myTimer()
{
Blynk.virtualWrite(V5,tmp);
Blynk.virtualWrite(V6,hum);
}
void setup()
{
Serial.begin(115200);
Blynk.begin(auth, ssid, pass);
pinMode(5, OUTPUT);
pinMode(18, OUTPUT);
pinMode(19, OUTPUT);
pinMode(4, OUTPUT);
pinMode(23,INPUT);
pinMode(2,OUTPUT);
temps.setup(t, DHTesp::DHT22);
pinMode(ledPin, OUTPUT);
pinMode(inputPin, INPUT_PULLUP);
lcd.init();
lcd.backlight();
digitalWrite(5, LOW);
digitalWrite(18, LOW);
digitalWrite(19, LOW);
digitalWrite(21, LOW);
lcd.setCursor(0,0);
lcd.print("CircuitDesignContest");
lcd.setCursor(8,1);
lcd.print("2022");
lcd.setCursor(0,2);
lcd.print("--------------------");
lcd.setCursor(9,3);
lcd.print("- eDiYLaBs");
delay(3000);
lcd.clear();
lcd.createChar(6, Lck);
lcd.createChar(1,house1);
lcd.createChar(2,house2);
lcd.createChar(3,house3);
lcd.createChar(4,house4);
lcd.setCursor(1,2);
lcd.write(1);
lcd.setCursor(1,3);
lcd.write(2);
lcd.setCursor(2,2);
lcd.write(3);
lcd.setCursor(2,3);
lcd.write(4);
lcd.setCursor(17,2);
lcd.write(1);
lcd.setCursor(17,3);
lcd.write(2);
lcd.setCursor(18,2);
lcd.write(3);
lcd.setCursor(18,3);
lcd.write(4);
lcd.setCursor(19,0);
lcd.write(6);
lcd.setCursor(9,0);
lcd.print("connected-");
lcd.setCursor(2,1);
lcd.print("HOME AUTOMATION");
lcd.setCursor(6,2);
lcd.print("USING IOT");
delay(3000);
Blynk.virtualWrite(V7, pirState);
timer.setInterval(1000L, myTimer);
}
void loop()
{
Blynk.run();
timer.run();
val = digitalRead(23);
if(val == 1)
{
digitalWrite(2,va5);
}
else{
digitalWrite(2,LOW);
}
TempAndHumidity x = temps.getTempAndHumidity();
tmp = x.temperature ;
hum = x.humidity ;
v = digitalRead(inputPin);
if (v == HIGH) {
if (k == 1) {
digitalWrite(ledPin, LOW);
k = 0 ;
ge = 0;
}
else if (k == 0) {
digitalWrite(ledPin, HIGH);
k = 1;
ge = 1;
}
}
if (va1 == 1){
lcd.clear();
lcd.setCursor(19,0);
lcd.write(6);
lcd.setCursor(0, 1);
lcd.print("SW_1= ");
lcd.print("ON ");
}
else{
lcd.clear();
lcd.setCursor(19,0);
lcd.write(6);
lcd.setCursor(0, 1);
lcd.print("SW_1= ");
lcd.print("OFF");
}
if (va2 == 1){
lcd.setCursor(11, 1);
lcd.print("SW_2= ");
lcd.print("ON ");
}
else{
lcd.setCursor(11, 1);
lcd.print("SW_2= ");
lcd.print("OFF");
}
if (va3 == 1){
lcd.setCursor(0, 2);
lcd.print("SW_3= ");
lcd.print("ON ");
}
else{
lcd.setCursor(0, 2);
lcd.print("SW_3= ");
lcd.print("OFF");
}
if (va4 == 1){
lcd.setCursor(11, 2);
lcd.print("SW_4= ");
lcd.print("ON ");
}
else{
lcd.setCursor(11, 2);
lcd.print("SW_4= ");
lcd.print("OFF");
}
if (va5 == 1){
lcd.setCursor(0, 3);
lcd.print("OD_L= ");
lcd.print("ON ");
}
else{
lcd.setCursor(0, 3);
lcd.print("OD_L= ");
lcd.print("OFF");
}
if (ge == 1){
lcd.setCursor(11, 3);
lcd.print("WR_L= ");
lcd.print("ON ");
}
else{
lcd.setCursor(11, 3);
lcd.print("WR_L= ");
lcd.print("OFF");
}
delay(1500);
lcd.clear();
lcd.createChar(1,t1);
lcd.createChar(2,t2);
lcd.createChar(3,t3);
lcd.createChar(4,t4);
lcd.createChar(5, d);
lcd.createChar(6, Lck);
lcd.setCursor(19,0);
lcd.write(6);
lcd.setCursor(1,1);
lcd.write(1);
lcd.setCursor(1,2);
lcd.write(2);
lcd.setCursor(2,1);
lcd.write(3);
lcd.setCursor(2,2);
lcd.write(4);
lcd.setCursor(4,1);
lcd.print("Temperature :");
lcd.setCursor(7,2);
lcd.print(tmp);
lcd.setCursor(11,2);
lcd.write(5);
lcd.setCursor(12,2);
lcd.print("C");
delay(750);
lcd.clear();
lcd.createChar(1,hum1);
lcd.createChar(2,hum2);
lcd.createChar(3,hum3);
lcd.createChar(4,hum4);
lcd.setCursor(19,0);
lcd.write(6);
lcd.setCursor(3,1);
lcd.write(1);
lcd.setCursor(3,2);
lcd.write(2);
lcd.setCursor(4,1);
lcd.write(3);
lcd.setCursor(4,2);
lcd.write(4);
lcd.setCursor(6,1);
lcd.print("Humidity :");
lcd.setCursor(7,2);
lcd.print(hum);
lcd.setCursor(12,2);
lcd.print("%");
delay(750);
}