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Using a Melexis MLX90614 Infrared Thermometer with Arduino

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

If you need to connect two more MLX90614s to the same Arduino, see the code here.