The first step is to test MLX90614 sensor with ESP32 dev (Node MCU) board. Test is straignt forward. By using Adafruit Adafruit-MLX90614-Library, sensor was simply tested by UART output.
Lib Link: https://github.com/adafruit/Adafruit-MLX90614-Library
Connection :
VIN -> ESP32 3.3v
GND -> ESP32 GND
SCL -> ESP32 22
SDA -> ESP32 21
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