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Home / Computer Hardware, Monitors & Peripherals / MLX90640ESF-BAA/BAB Infrared Temperature Matrix Sensor Module Infrared Imaging/IR Thermal Camera

Attributes

Brand -
Category Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals
Origin -
Sensor Resolution 32 x 24 Pixels
Field of View 55° x 35°
Communication Interface I2C
Supply Voltage 3.0V to 3.6V
Operating Temperature -40°C to 85°C
Frame Rate Up to 64 Hz
Temperature Accuracy ±1°C
Package Type TO-39 Metal Can
Manufacturer Melexis
Compatible Platforms Arduino, Raspberry Pi, ESP32

5 reviews

A

Anonymous

Apr 04, 2026

Rating: 3/5

Documentation needs work

Sensor works as advertised but finding clear wiring diagrams for non-standard boards was tricky. Support helped eventually.

A

Anonymous

Mar 22, 2026

Rating: 5/5

Great integration with ESP32

Low power consumption and easy I2C integration. Using it for a robot navigation project based on heat signatures.

A

Anonymous

Feb 20, 2026

Rating: 5/5

Exceeded expectations

I was worried about the low resolution but for the price point, this is amazing. Detects heat leaks in my home easily.

A

Anonymous

Feb 08, 2026

Rating: 5/5

Perfect for DIY Thermal Camera

Works flawlessly with my Raspberry Pi setup. The library support is decent and the frame rate is smooth enough for basic thermography.

A

Anonymous

Jan 17, 2026

Rating: 4/5

Good sensor, steep learning curve

The hardware is solid. However, expect to spend time tuning the interpolation algorithms to get a clear image. Worth the effort.

5 FAQ

Q: Is 5V logic safe for the I2C lines?

A: No, this is a 3.3V device. You must use a logic level converter if connecting to 5V microcontrollers.

Q: Does it work in complete darkness?

A: Yes, infrared thermal imaging does not require visible light to detect heat signatures.

Q: Can I update the firmware on the sensor itself?

A: The sensor calibration is factory set. You process the raw data on your host microcontroller.

Q: Does this come with a lens attached?

A: Yes, the module includes the standard lens optimized for the 55-degree field of view.

Q: What is the maximum detection distance?

A: It depends on the object size, but generally effective up to 3 meters for human-sized objects.

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