Boardoza MLX90641 Thermal Camera Breakout Board

The Boardoza MLX90641 Breakout Board is a compact and high-performance thermal imaging solution built around the Melexis MLX90641 far-infrared thermal sensor array. Featuring a 16x12 pixel thermal resolution, the sensor delivers 192 independent temperature measurement points for accurate non-contact thermal analysis and object detection applications.

Designed for compatibility with both 3.3V and 5V systems, the board communicates over a high-speed I²C interface and supports configurable refresh rates up to 64Hz. With a wide measurement range from -40°C to +300°C and a 55° X axis and 35° Y axis Field of View, this breakout board is ideal for industrial monitoring, predictive maintenance, thermal mapping, robotics, occupancy sensing, smart appliances, and advanced embedded thermal imaging projects.

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Front Side	Back Side

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Key Features

• 16x12 Thermal Imaging Array: Captures 192 individual infrared temperature points for detailed thermal analysis.
• Wide Temperature Measurement Range: Measures object temperatures from -40°C to +300°C without physical contact.
• Integrated Thermal Camera Functionality: Enables compact thermal vision applications without requiring external optics.
• Fast Refresh Rates: Adjustable frame rates from 0.5Hz to 64Hz for dynamic thermal monitoring.
• Wide Compatibility: Supports both 3.3V and 5V logic systems for easy integration with popular development boards.
• I²C Communication: Supports I²C speeds up to 1MHz for responsive thermal data transfer.
• Wide Field of View: Provides a 55° horizontal (X-axis) and 35° vertical (Y-axis) viewing angle for broader thermal coverage.

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Technical Specifications

Model: MLX90641
Manufacturer: Boardoza
Manufacturer IC: Melexis
Functions: Far-Infrared Thermal Imaging Sensor
Thermal Resolution: 16 x 12 Pixels (192 Pixels)
Field of View (FoV): 55° (X-axis) × 35° (Y-axis)
Measurement Range: -40°C to +300°C
Supply Voltage (VCC): 3.3V to 5.5V DC
Logic Voltage Level: 3.3V / 5V Compatible
Communication Interface: I²C
I²C Clock Frequency: Up to 1 MHz
Sensor Refresh Rate: 0.5Hz to 64Hz
Typical Current Consumption: ~15mA
Operating Temperature: -40°C to +85°C
Board Dimensions: 20mm x 20mm

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Board Pinout

( J1 ) I²C Connector

Pin Number	Pin Name	Description
1	VCC	Voltage Supply Input
2	SCL	I2C Serial Clock
3	SDA	I2C Serial Data
4	GND	Ground

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Board Dimensions

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Step Files

Boardoza MLX90641.step

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Datasheet

MLX90641 Thermal Sensor Datasheet.pdf
TXS0102 Voltage Level Translator Datasheet.pdf
TLV73333 3.3V LDO Regulator Datasheet.pdf

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Version History

• V1.0.0 - Initial Release

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Support

• If you have any questions or need support, please contact [email protected]

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License

This repository contains both hardware and software components:

Hardware Design

All hardware design files are licensed under Creative Commons Attribution-ShareAlike 4.0 International License.

Software/Firmware

All software and firmware are licensed under BSD 3-Clause License.