MLX90614 Non-Contact IR Infrared Temperature Sensor High Precision (need) your welding parts

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  • Melexis' MLX90614ESF-AAA is an infrared thermometer designed for non-contact temperature sensing. An internal 17-bit ADC and a powerful DSP contribute to the MLX90614's high accuracy and resolution. It has a huge number of applications including body temperature measurment and movement detection.

  • The MLX90614 provides two methods of output: PWM and SMBus (i.e. TWI, I2C). The 10-bit PWM output provides a resolution of 0.14°C, while the TWI interface has a resolution of 0.02°C. The MLX90614 is factory calibrated in wide temperature ranges: -40 to 85°C for the ambient temperature and -70 to 380°C for the object temperature. The measured value is the average temperature of all objects in the Field Of View of the sensor. The MLX90614 offers a standard accuracy of 0.5°C around room temperatures.


  • Factory calibrated

  • -40 to +85°C for sensor temperature

  • -70 to +380°C for object temperature

  • SMBus compatible digital interface

  • Customizable PWM output for continuous reading

  • High accuracy of 0.5°C over wide temperature range (0 to +50°C for both Ta and To)

  • Measurement resolution of 0.02°C

  • 4.5V~5V power supply

We designed this compact breakout board for MLX90614. On the back side the red LED would indicate power connection.


Connect this module with Arduino


MLX90614 module





SCL (UNO A5, Mega 21)


SDA (UNO A4, Mega 20)



Product list

We offer more resisters and capacitors in the package in case you need to try more than once while soldering.

PCB board1
0805 LED2
0603 4.7K resister5
0603 2K resister5
0805 100nf capacitor3
4pin mail header1
4pin bended header1


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