Arduino Fire Alarm System || With 16x2 Lcd

Video :-

Circuit Diagram :-

Code :-

//Prateek //www.prateek.in #include <LiquidCrystal_I2C.h> LiquidCrystal_I2C lcd(0x27, 16, 2); const int buzzerPin = 5; const int flame = 7; int Flame = HIGH; int redled = 4; int greenled = 6; void setup() { pinMode(buzzerPin, OUTPUT); pinMode(redled, OUTPUT); pinMode(greenled, OUTPUT); pinMode(flame, INPUT); lcd.init(); lcd.backlight(); lcd.clear(); lcd.begin(16,2); Serial.begin(9600); lcd.setCursor(0, 0); lcd.print("Welcome To"); lcd.setCursor(0, 1); lcd.print("Justdoelectronic"); delay(5000); } void loop() { lcd.clear(); lcd.setCursor(0, 0); lcd.print(" No Fire"); delay(5000); Flame = digitalRead(flame); if (Flame== LOW) { lcd.clear(); lcd.setCursor(0, 1); lcd.print(" Fire Alert"); delay(5000); digitalWrite(buzzerPin, HIGH); digitalWrite(redled, HIGH); digitalWrite(greenled, LOW); Serial.println("AT+CMGF=1"); delay(1000); } else { digitalWrite(buzzerPin, LOW); digitalWrite(greenled, HIGH); digitalWrite(redled, LOW); } }