DIY Temperature Thermal Gun | MLX90614 Contactless Infrared Temperature Sensor with Arduino

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In this project, you will learn how to make your own Infrared Thermometer using MLX90614 Infrared Temperature Sensor & Arduino Board. You can display the temperature reading on the SSD1306 0.96″ OLED Display.

Earlier we used temperature Sensors like DS18B20 & LM35. However, these temperature sensors only sense the temperature when the heat is applied to them directly on their surface. But if you wish to measure the temperature of a very hot body like a flame or hot iron, you can’t rely on these sensors.

We need some sensors that can measure the temperature without any contact & sensing the temperature through IR is the best method. For this, you can use the MLX90614 infrared thermometer from Melexis for this project. The MLX90614 sensor uses contactless temperature sensing to measure the temperature data without any physical contact to a particular surface.

In this project, we will interface MLX90614 with Arduino Board and use the laser diode to point the sensor to a particular object. The refresh rate and sensitivity of MLX90614 are very high that it can give the reading within a fraction of a second. You can use MLX90614 to measure the temperature of a hot object like machines, flames, hot iron, device CPU. You can even use this sensor for laboratory purposes, i.e. MLX90614 can also be used as an infrared thermometer for measuring the body temperature. Due to COVID-19, the demand for this sensor has increased within the last few months. The MLX90614 Sensor requires some calibration in Arduino Code which we will learn in this video. We will also check the MLX90614 Datasheet & MLX90614 Sparkfun & Adafruit Library.

Source Code/Program: https://how2electronics.com/infrared-...

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