ESP8266 MLX90614 Non-Contact Infrared Temperature Sensor, IoT Temperature Monitoring, ESP8266 Proj

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Project Description:
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In today’s episode, you will learn how to make IoT temperature monitoring system using MLX90614 contactless infrared temperature sensor, Nodemcu ESP8266 WIFI module, SSD1306 I2C supported Oled display module, and Blynk application.

Just don’t skip this part of the video, because there are certain things that I believe you should know if you want to get the most accurate temperature readings using the MLX90614 temperature sensor. As you know very well the MLX90614 is a non-contact infrared temperature sensor and is completely different from those surface contact-based temperature sensors. And you might also know every object or material has its own emissivity value.

Just think for a minute, the temperature monitoring system which you are planning to build is going to be used for measuring the temperature of a specific object or you want to measure the temperature of any random object? This is really an important question which you need to ask yourself.

Let’s say you are designing a contactless temperature monitoring system for Covid patients and you ignore the emissivity value of the Human skin then how you are supposed to get an accurate temperature reading?

In my previous video, I used the MLX90614 infrared temperature sensor with the Arduino and explained the whole process; how to perfectly calibrate the MLX90614 temperature sensor using Emissivity value. During my first test I completely ignored the emissivity value and as a result I got wrong temperature readings as I was using the standard emissivity value of 1. While in reality different objects have different emissivity values.

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Nodemcu ESP8266
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MLX90614 Infrared Temperature Sensor
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SSD1306 Oled display Module
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