SKU: SENS-3086
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DFRobot Gravity MLX90614-DCC I2C Non-contact IR Temperature Sensor Module for Arduino

₹2,309.00 (Inclusive of all taxes)
Out of Stock

The DFRobot Gravity MLX90614-DCC is a non-contact infrared temperature sensor module compatible with 3.3V/5V systems like Arduino, Raspberry Pi, ESP32, and STM32. It provides accurate surface temperature readings via I2C communication, eliminating the need for physical contact with the target object.

Features

  • High-precision non-contact IR temperature measurement from -70.01°C to +380°C.
  • I2C digital interface for easy integration with Arduino, Raspberry Pi, and other microcontrollers.
  • Dual accuracy specs: ±0.2°C in body temperature range, ±0.5°C across full range.
  • Integrated 17-bit ADC and DSP for stable, reliable readings with 0.01°C resolution.
  • Compact Gravity-series module with standard 4-pin JST PH2.0 connector for plug-and-play use.

Out of stock

Description

The MLX90614-DCC module utilizes a MEMS-based thermopile detector to measure the infrared radiation emitted by an object’s surface, converting it into a precise temperature value without physical contact. This method ensures fast response times and avoids measurement errors caused by ambient thermal equilibrium delays common in contact sensors.

The sensor core integrates a low-noise amplifier, 17-bit analog-to-digital converter, and powerful digital signal processor (DSP) on a single chip, providing factory-calibrated output over a standard I2C bus. Its wide operating voltage range of 3.3V to 5V makes it suitable for a broad spectrum of embedded and prototyping applications, from industrial monitoring to educational projects.

Key Features

  • Non-contact infrared thermopile sensing principle for safe, remote temperature measurement.
  • Wide measurement range from -70.01°C to +380°C with 0.01°C resolution.
  • High accuracy: ±0.2°C in body temperature range (approx. 32°C to 43°C).
  • Digital I2C output ensures noise-immune communication and simple daisy-chaining.
  • Factory-calibrated for out-of-the-box operation with no user calibration required.
  • Compact PCB design (31.5mm x 18mm) with mounting holes for secure installation.
  • DFRobot Gravity-series connector system for quick, reliable wiring.
  • Optimized performance-to-cost ratio for prototyping and small-scale deployment.

Applications

  • Non-contact temperature monitoring in industrial equipment and electrical enclosures.
  • Medical and wellness devices for forehead or surface temperature screening.
  • Home automation systems for HVAC control and appliance temperature sensing.
  • Automotive diagnostics for brake, tire, or engine component thermal profiling.
  • Educational and research projects involving thermal dynamics and energy efficiency.

Technical Specifications

ModelMLX90614-DCC
Operating Voltage3.3V - 5V DC
InterfaceI2C
Measurement Range-70.01°C to +380°C
Resolution0.01°C
Accuracy (Body Temp Range)±0.2°C
Accuracy (Full Range)±0.5°C
Sensor TypeNon-contact Infrared Thermopile
Dimensions (L x W)31.5 mm x 18 mm
Weight15 g

Frequently Asked Questions

What is the operating voltage range for the MLX90614-DCC sensor?

The MLX90614-DCC module operates from 3.3V to 5V DC, making it directly compatible with most microcontroller platforms like Arduino Uno (5V), Raspberry Pi (3.3V), ESP32 (3.3V), and STM32 boards. Ensure your logic level matches the I2C pull-up resistors if using a 3.3V system.

How do I connect and read data from this sensor using Arduino?

Connect the module's 4-pin JST cable to your Arduino using the Gravity adapter or direct wiring: VCC to 5V, GND to GND, SDA to analog pin A4 (or dedicated SDA), and SCL to analog pin A5 (or dedicated SCL). Use the DFRobot MLX90614 library to read temperature values via I2C with simple `getObjectTempC()` function calls.

What is the field of view and measurement distance for accurate readings?

The MLX90614 sensor has a narrow field of view. For highest accuracy, ensure the target object fills the sensor's view entirely. Measurement distance depends on target size; a general rule is distance-to-spot ratio of approximately 1:1. Closer proximity to smaller targets improves accuracy and reduces ambient IR interference.

Does this sensor require calibration or have any special storage conditions?

No, the MLX90614 is factory calibrated and does not require user calibration. Store the module in a dry, room-temperature environment. Avoid exposing the IR lens to direct sunlight, scratches, or contaminants, as these can affect measurement accuracy. The sensor is robust for standard indoor and protected outdoor use.

Package Includes

  • 1 x MLX90614-DCC Non-contact IR Temperature Sensor Module
  • 1 x JST PH2.0 4-Pin Cable

Additional Information

Weight 0.015 kg
Dimensions 3.15 × 1.8 cm