SparkFun IR Array Breakout - 55 Degree FOV, MLX90640 (Qwiic)

SparkfunSKU: SEN-14844
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The SparkFun Qwiic connect system is an ecosystem of I2C sensors, actuators, shields, and cables that make prototyping faster and less prone to error. All Qwiic-enabled boards use a common 1mm pitch, 4-pin JST connector. This reduces the amount of required PCB space, and polarized connections mean you can’t hook it up wrong.

It's time to say hip hip array for this IR Breakout! The MLX90640 SparkFun IR Array Breakout is equipped with a 32x24 array of thermopile sensors, creating, in essence, a low-resolution thermal imaging camera. With this breakout, you can detect surface temperatures from many feet away with an accuracy of ±1.5°C (best case). To make it even easier to obtain your infrared image, all communication is conducted exclusively via I2C, utilizing our convenient Qwiic system. However, we still have broken out 0.1"-spaced pins in case you prefer to use a breadboard.

This specific IR Array Breakout features a 55°x35° field of view with a temperature measurement range of -40°C-300°C. The MLX90640 IR Array has pull-up resistors attached to the I2C bus; both can be removed by cutting the traces on the corresponding jumpers on the back of the board.

Please be aware that the MLX90640 requires complex calculations by the host platform, so a regular Arduino Uno (or equivalent) doesn't have enough RAM or flash to complete the complex computations required to turn the raw pixel data into temperature data. You will need a microcontroller with 20,000 bytes or more of RAM. To achieve this, we recommend a Teensy 3.1 or above.

Features

  • Operating Voltage: 3V-3.6V
  • Current Consumption: ~18mA
  • Field of View: 55°x35°
  • Measurement Range: -40°C-300°C
  • Resolution: ±1.5°C
  • Refresh Rate: 0.5Hz-64Hz
  • I2C Address: 0x33
  • 2x Qwiic Connection Ports

Resources

Package Contents

  • 1x SparkFun IR Array Breakout - 55 Degree FOV, MLX90640 (Qwiic)

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