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Small rectangular green circuit board with a black sensor module and white Grove connector

Seeed Studio

Seeed Studio Grove MLX90614 DCC Infrared Thermometer 35° FOV

SKU CH-CDA4-PQJHH

Measures object temperature from -70°C to 380°C with a 35° field of view via I2C Grove interface

  • TypeSensors
  • Medical-grade ±.2 °C accuracy in body range
  • Wide -70 to 380 °C measurement span
  • 35° field of view for focused readings
  • I2C Grove interface simplifies MCU connection
  • Low ~18 mA draw from 3.3–5 V supply

Grove MLX90614 DCC Infrared Thermometer

This Grove module integrates a single-point medical-grade infrared sensor (MLX90614) with a 35° field of view. It measures object temperatures from -70°C to 380°C and communicates via I2C at 3.3 V to 5 V. The sensor suits makers and engineers adding non-contact temperature sensing to microcontroller projects.

Grove connector and I2C interface

The board ships with a Grove connector that plugs directly into compatible shields or cables, removing the need for soldering or custom wiring. An I2C interface lets a host MCU read data at refresh rates from 0.5 Hz up to 64 Hz while drawing about 18 mA. This hardware bundle shortens prototype time for contactless thermal monitoring.

Check voltage logic level and FOV suitability

Verify that your MCU operates at 3.3 V or 5 V logic to match the module's supply range. Confirm the 35° field of view covers the intended target distance and spot size for your application. Ensure the operating ambient range of -40°C to 85°C fits the deployment environment.

Highlights

  • Medical-grade ±.2 °C accuracy in body range
  • Wide -70 to 380 °C measurement span
  • 35° field of view for focused readings
  • I2C Grove interface simplifies MCU connection
  • Low ~18 mA draw from 3.3–5 V supply

Specifications

TypeSensors

Questions about this item

Does the MLX90614 sensor itself need periodic recalibration or replacement?

The MLX90614 is a solid-state infrared sensor with no moving parts or consumables; it does not require scheduled recalibration or replacement under normal use.

What limits continuous operation first — the 85 °C ambient ceiling or the 64 Hz refresh rate?

The sensor's rated ambient operating limit is 85 °C; exceeding this temperature will stop reliable operation before the 64 Hz refresh ceiling becomes a factor.

How much heat does the module add when running all day at 3.3 V?

At roughly 18 mA draw the module dissipates only a few tens of milliwatts, so self-heating is negligible during all-day operation.

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