Infrared Body Temperature Monitoring System

 

Circuit Diagram :-

Component List :-

1. MLX90614 Temperature Sensor

2. Arduino UNO

3. 16x2 LCD Display 

4. 10k Potentiometer 

5. Green Led

6. Buzzer 

7. Red Led 

8. Zero PCB

Code :-

//Prateek //wwww.prateeks.in //https://www.youtube.com/c/JustDoElectronics/videos #include <Wire.h> #include <Adafruit_MLX90614.h> #include <LiquidCrystal.h> LiquidCrystal lcd(8, 9, 10, 11,12,13); const int red = 4; const int green = 6; const int buzzer = 5; Adafruit_MLX90614 mlx = Adafruit_MLX90614(); double temp_amb; double temp_obj; void setup() { Serial.begin(9600); Serial.println("Temperature Sensor MLX90614"); pinMode(buzzer, OUTPUT); pinMode(red, OUTPUT); pinMode(green, OUTPUT); digitalWrite(green, HIGH); digitalWrite(buzzer, LOW); digitalWrite(red, LOW); lcd.begin(16, 2); mlx.begin(); } void loop() { temp_amb = mlx.readAmbientTempC(); temp_obj = mlx.readObjectTempC(); if(temp_obj > 37) { Serial.print("Warning...HIGH TEMP..."); lcd.clear(); lcd.print("HIGH TEMP..."); digitalWrite(buzzer, HIGH); digitalWrite(red, HIGH); digitalWrite(green, LOW); delay(50);} else{ } //lcd display lcd.setCursor(0, 0); lcd.print("Room Temp:"); lcd.setCursor(10, 0); lcd.print(temp_amb); lcd.setCursor(15, 0); lcd.write(1); lcd.setCursor(0, 1); lcd.print("Body Temp:"); lcd.setCursor(10, 1); lcd.print(temp_obj); lcd.setCursor(15, 1); lcd.write(1); //Serial Monitor Serial.print("Room Temp = "); Serial.println(temp_amb); Serial.print("Object temp = "); Serial.println(temp_obj); delay(1000); }


Video :-