SKU: TH2077
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Adafruit MLX90640 IR Thermal Camera Breakout brings affordable heat sensing to embedded and Raspberry Pi projects. The sensor provides a 24x32 thermal pixel array, giving you 768 individual infrared temperature readings over an I2C interface.
This version uses a 55° x 35° field of view, making it a better fit when you want a narrower scene and more focused thermal coverage than the wide-angle variant. It can measure target temperatures from -40°C to 300°C, with quoted accuracy of ±2°C in the 0-100°C range.
The breakout includes onboard 3.3V regulation, logic level shifting, and SparkFun qwiic compatible STEMMA QT connectors for easy solderless I2C hookup. It works with 3V or 5V microcontrollers and computers, with example code available for Arduino-compatible boards and Raspberry Pi Python projects. QT cable not included.
The MLX90640 reads data twice per frame in a checker-board pattern. A slight checker-board dither effect during motion is normal and becomes much less noticeable when the scene changes slowly.
Technical details for Adafruit MLX90640 IR Thermal Camera Breakout - 55° FoV.
| Specification | Details |
|---|---|
| Sensor array | 24 x 32 IR thermal sensor array |
| Total readings | 768 individual infrared temperature measurements |
| Interface | I2C |
| Field of view | 55° x 35° |
| Measurement range | -40°C to 300°C |
| Accuracy | ±2°C in the 0-100°C range |
| Maximum practical frame rate | 16 Hz |
| Board features | 3.3V regulator, level shifting, STEMMA QT / qwiic compatible connectors |
| Logic compatibility | Usable with 3V or 5V microcontrollers or computers |
| Software support | Arduino-compatible and Raspberry Pi / Python libraries and examples available |
| Memory requirement | Arduino-compatible boards should have at least 20KB RAM |
| Pin | Type | Description |
|---|---|---|
| VIN | Power input | 3V to 5V input for the onboard regulator; power it to match your microcontroller logic level |
| 3V | Power output | 3.3V output from the onboard regulator, available up to 100mA |
| GND | Ground | Common ground for power and logic |
| SCL | I2C clock | Level-shifted I2C clock line for 3V or 5V systems |
| SDA | I2C data | Level-shifted I2C data line for 3V or 5V systems |
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