Using Melexis MLX90614 Non-Contact Infrared Thermometer with Arduino

The sensor is explained, datasheet is reviewed, wiring and code shown and demonstrated by measuring surface temperature, then using heat gun temperature is measured then temperature of a heater is measured. Arduino code is provided. See link below.

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Jump to different section of video by clicking on the time:
00:00 Start
00:34 MLX90614 Explained
04:32 Datasheet Viewed
07:25 Wiring Explained
08:05 Installing library for MXL90614
09:05 Code Explained
12:02 Basic Demonstration
15:02 Applying heat on surface
16:05 Measure Heater Temperature

How to set Emissivity

*** Purchase this MLX90614 from ***

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Tutorial by Ahmad Shamshiri form Canada
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[munkazatips]

Sir you are
Explanation upon whole projects is
The best positive point is that you respond to almost every individual (viewer) which is definitely a tedious task but you manage it well and this is the best feature of your
Stay blessed i wish you to keep making such fruitful videos for

[Urza]

Searching for a video for an Arduino sensor… Robojax has a video? Perfect!

[electronic]

A useful video and an excellent narration. liked it very much

[ALMK]

تشكر اخي احمد على مجهودك الرائع استمر في نشر المعرفة و العلوم

[variousexperiences]

Wonderful mr Ahmad thanks for this video

[AmateurInventor]

You are doing great. I learned very much from you

[raffyturc]

thanks. i have this sensor but with the lens. been meaning to integrate this to an 'multi purpose home tool/sensor' . have a nice day. hope your doing well 👍

[t.o.]

Is it possible to unstall it for a diy tsla powerwall with (300) cells type 18650? I assume not because with ambient it's creating a average value, but I would like to ensure that I have no heater cell built :(. How far was your heater at the c end away?

[amronigho]

Thank you, i will try it and add buzzer for temperatures above 40'C

[Leo-dbmi]

Pls do a video explaining how to use multiple of these

[shubhankarmajgaonkar]

Hello your video is just amazing. I'm using mlx sensor and and OLED i2C display. When I connect mlx only it works but if I connect both mlx and OLED to display temperature it's not working can you please tell me how to solve this issue? I connected SDA and scl pins of both mlx and OLED to A4 and A5 respectively and using Arduino nano.

[sanjhbatiguha]

want to measure temperature of a Thyristor ( SS body )...widely varying from 1cm to 10 cm...what to do for getting correct measurement

[faitsdivers]

jazilaan

Can this module be used medically, and how much the distance to object ?
Thank you so much

[ineffableseul]

sir if i put the sensor in casing or in a box.. and then use it for measuring.. do i still need to put a hole on the melexis sensor ???? or as long as the case is transparent it will detect the measurement? thanks a lot

[sivamnatesan]

Which material(for Metal cap) should I use to reduce the FOV of sensor? Because the metal cap which I am using on top of the sensor should not come under the FOV of sensor, right?

[amalalzahrani]

Hi Ahmed
Can we read the output signal Vout or current of this sensor to sketch the correlation between Temperature and output signal?

[nelomedia]

Hello! Could you please tell me how to have a total of six mlx90614 sensors on one Arduino? Would an uno or nano be sufficient or would I need a Mega?

[devinboser]

Can you make a video or assist with changing the address for the mlx90614 IR sensor? I want to string multiple sensors together and have not found anything online that works.

[boogalouu]

The temperature read by the sensor varies badly with distance AND ambient temperature - for a proper usage the ambient temperature has to be read (function is in the library) and corrections made. Variance I measured @human temperature level and room temperature (due just to the warming of the sensor during normal operation) can be up to 3 degrees Celsius.

[adityajindal]

Hey Great work! I have the 5v version of mlx90614. I have connected it to 5v power supply but the i2c pins are connected to 3.3v level i2c bus. It is working but the accuracy is not very good. I measured my temp using thermometer and it was 36.9c but on bringing palm close (2cm) to the sensor I get only 34.5 . Is it okay or is it because of the 3.3v i2c bus. Please help.