Adafruit MLX90640 Thermal Camera Breakout contains a 24×32 array of IR thermal sensors. When connected to your microcontroller (or Raspberry Pi) it will return an array of 768 individual infrared temperature readings over I2C. This board has a narrow 55×35 degree field of view and measures temperatures range from -40C to 300C with an accuracy of +-2C. It can be used with any 3V or 5V microcontroller or computer.
Key Features

I2C compatible digital interface
Programmable refresh rate 0.5Hz64Hz (0.25 ~ 32 FPS)
3.3V-5V supply voltage, regulated to 3.3V on breakout
Current consumption less than 23mA
Field of view: 55×35 degree
Operating temperature -40C ~ 85C
Target temperature -40C ~ 300C
Product Dimensions: 25.7mm x 17.7mm x 16.0mm / 1.0″ x 0.7″ x 0.6″
Product Weight: 3.5g / 0.1oz

STEMMA QT / Qwiic 4-pin 1mm Pitch White Female Connector Cable 150mm Long – Both Sidecan be purchased seperately.
Resources

Arduino code
Python code

What is Stemma QT?

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Primary Guide: Adafruit MLX90640 IR Thermal Camera

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FAQs:
Q: What is the field of view (FOV) for this thermal camera?
A: This specific model has a narrower field of view of 55 x 35, making it suitable for focusing on specific objects or areas.
Q: What is the temperature range this camera can measure?
A: The MLX90640 can measure temperatures ranging from -40C to 300C with an accuracy of 2C in the 0-100C range.
Q: What interface does the camera use to communicate with a microcontroller?
A: The camera uses the I2C interface to communicate with microcontrollers like Arduino or Raspberry Pi.
Q: Is this camera compatible with both 3.3V and 5V logic levels?
A: Yes, the breakout board includes a 3.3V regulator and level shifting, making it compatible with both 3.3V and 5V logic levels.
Q: Are any additional accessories or cables required to use the camera?
A: You will need an I2C cable (e.g., STEMMA QT cable) to connect the camera to your microcontroller. While not included, these cables are readily available. Additionally, you might need a display or software to visualize the thermal data.