The MLX90614 Digital Infrared Temperature Sensor Module is an advanced and versatile device designed to accurately measure temperature without direct contact. Utilizing cutting-edge infrared technology, this module offers a non-contact method for temperature detection, making it ideal for a wide range of applications in various industries.
With its compact size and easy-to-use interface, the MLX90614 module provides a convenient solution for temperature measurement. It incorporates an infrared sensor and a signal processing chip, allowing it to detect and convert thermal radiation emitted by an object into temperature readings.
One of the key features of the MLX90614 module is its ability to measure temperature without physical contact, eliminating the need for probes or other invasive methods. This non-contact measurement capability makes it particularly useful in applications where contact may not be feasible or may introduce errors, such as measuring the temperature of moving objects or inaccessible areas.

Features
- Small Size, Low Cost.
- Mounted On a Breakout Board With two types of pins.
- 10k Pull up Resistors for the I2C interface with optional solder jumpers.
- Easy to Integrate.
- The factory was calibrated in a wide temperature range:-40…+125°C for sensor temperature and -70…+380°C for object temperature.
- High accuracy of 0.5°C over a wide temperature range (0…+50°C for both Ta and To) High (medical) accuracy calibration.
- The Measurement Resolution of 0.02°C.
- Single and Dual-Zone Versions.
- SMBus Compatible Digital Interface.
- Customizable PWM Output for Continuous Reading.
- Simple Adaptation for 8-16V Applications.
- Sleep Mode for Reduced Power Consumption.
- Different Package Options for Applications and Measurement Versatility.
- Automotive-Grade.
Pinout

Pin Name | Pin Description |
---|---|
VIN (Power supply) | VIN can be used to power the sensor, typically using 5V |
Ground | The metal can also act as ground |
SDA – Serial Data | Serial data pin used for I2C Communication |
SCL – Serial Clock | Serial Clock Pin used for I2C Communication |
Specifications
- Non-contact temperature measurement: The MLX90614 Temperature Sensor Module allows for non-contact temperature measurement, eliminating the need for physical contact with the object being measured.
- Wide temperature range: The sensor module has a wide temperature measurement range, typically from -40°C to 125°C, enabling it to measure temperatures in various environments and applications.
- High accuracy: The MLX90614 sensor module offers high accuracy in temperature measurement, typically with a resolution of 0.02°C. This ensures precise and reliable temperature readings.
- Dual-zone sensing: The module features dual-zone sensing capabilities, allowing for the simultaneous measurement of two different objects or areas. This makes it suitable for applications that require monitoring multiple temperature points.
Application
- High-precision non-contact temperature measurements.
- Thermal Comfort sensor for Mobile AirConditioning control system.
- The temperature sensing element for residential, commercial, and industrial building airconditioning.
- Windshield defogging.
- Automotive blind angle detection.
- Industrial temperature control of moving parts.
- Temperature control in printers and copiers.
- Home appliances with temperature control.
- Healthcare.
- Livestock monitoring.
- Movement detection.
- Multiple zone temperature control – up to 127 sensors can be read via common 2 wires.
- Thermal relay/alert.
- Body temperature measurement.
Datasheet
Download the Datasheet MLX90614 Temperature Sensor Module from the link given below.