Case for an infrared thermometer capable of accurately measuring both forehead and object temperatures.
It's based on the MLX90614, an OLED SSD 1306 display and an Arduino (Nano or pro mini).
More details on:

https://www.instructables.com/IR-Thermometer-With-Medical-Application/

Demo on:
https://youtu.be/pKp8GU6CRf4
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This is a modified version of the themometer designed by MN MAKER
https://www.thingiverse.com/thing:3901662