MLX90614 Contactless Infrared Temperature Sensor Module

The MLX90614 is a high-precision, non-contact infrared temperature sensor module designed for measuring the temperature of objects without physical contact. Using infrared technology, the sensor detects thermal radiation emitted by an object and provides accurate digital temperature readings.

The module communicates with microcontrollers through the I2C/SMBus interface, making it easy to integrate with Arduino, ESP32, STM32, Raspberry Pi, and other development platforms.

Key Features

• Non-contact infrared temperature measurement

• High measurement resolution

• Easy I2C/SMBus digital communication

• Compact and easy-to-install module

• Factory-calibrated sensor

• Suitable for Arduino, ESP32, STM32, Raspberry Pi, and other microcontrollers

Technical Specifications

• Model: HW-691

• Sensor: MLX90614

• Operating Voltage: 3V–5V DC*

• Communication Interface: I2C / SMBus

• Temperature Measurement: Non-contact infrared sensing

• Object Temperature Range: Up to approximately -70°C to +380°C, depending on the sensor version

• Temperature Resolution: 0.02°C

• ADC Resolution: 17-bit

• Module Type: Digital infrared thermometer sensor

*Please check the specific module version before connecting to your circuit.

Applications

The  MLX90614 module is ideal for a wide range of projects and applications, including:

• Arduino and microcontroller projects

• Contactless temperature monitoring

• Industrial temperature measurement

• Smart home and automation systems

• Robotics projects

• HVAC and environmental monitoring

• Educational and research projects

Package Includes

• 1 × MLX90614 Contactless Infrared Temperature Sensor Module

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