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FLIR Radiometric Lepton Dev Kit V2

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Do you see what we see? With the FLIR Radiometric Lepton® Dev Kit v2 you will be able to bring FLIR's thermal imaging reliability and power to your Arduino, Raspberry Pi, or any ARM based development tool all in an easy to access breadboard friendly package. This kit includes a breakout as well as the Lepton® 2.5 longwave infrared (LWIR) imager. All you need to do to get this kit set up, simply attach the Lepton® imager module into the provided breakout, connect the headers, and you will be seeing in full darkness in no time!

The Radiometric Lepton® LWIR module included in each Dev Kit acts as a sort of camera and packs a resolution of 80 × 60 active pixels into a camera body that is smaller than a dime and captures infrared radiation input in its nominal response wavelength band (from 8 to 14 microns) and outputs a uniform thermal image. The Lepton 2.5 can output a factory-calibrated temperature value for all 4800 pixels in a frame irrespective of the camera temperature with an accuracy of +/-5˚C. Meanwhile, each breakout board in these kits provides the socket for the Lepton, on-board power supplies, 25Mhz reference clock (can be by-passed), power efficient 1.2v core voltage (can be by-passed), dual low noise LDO for 2.8V voltage (can be by-passed), 100 mil header for use in a breadboard or wiring to any host system. A few things to consider about this kit: the breakout board will accept a 3-5.5V input and regulate it to what the Lepton® wants, to read an image from the lepton module all you need is an SPI port, and to configure the camera settings you also need an I2C port, although this is not required.

Note: This kit comes in two separate parts and will need to be assembled once received. The Radiometric Lepton module is extremely sensitive to electrostatic discharge (ESD). When inserting it into the breakout board be sure to use proper personal grounding, such as a grounding wrist strap, to prevent damage the module.

  • 1x FLIR Lepton® 2.5 - Thermal Imaging Module
  • 1x FLIR Lepton® - Breakout Board v2.0
  • LWIR sensor, wavelength 8 to 14 μm
  • 50° HFOV, 60° diagonal
  • 80 (h) × 60 (v) active pixels
  • Thermal sensitivity <50 mK
  • Radiometric accuracy (35°C Blackbody) Greater of:
    • High gain: ±5C @ 25°C
    • Low gain ±10C @ 25°C
  • Pixel Size: 17 micrometers
  • Frame Rate: 9 Hz.
  • Output Format: User-selectable 14-bit, 8-bit (AGC applied), or 24-bit RGB (AGC and colorization applied)
  • SPI and I2C camera module interfaces
  • Fast time to image (< 1.2 sec)
  • Low operating power, nominally 150 mW (< 160 mW over full temperature range)
  • Input Voltage of 3V to 5.5V
  • 25-MHz reference clock (can be by-passed)
  • Power Efficient 1.2V core voltage (can be by-passed)
  • Dual Low Noise LDO for 2.8V voltage (can be by-passed)

FLIR Radiometric Lepton Dev Kit V2 Product Help and Resources

Raspberry Pi 4 Support

If you are stuck trying to get this module working with the Raspberry Pi 4, GroupGets just release this setup video:


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Customer Reviews

4 out of 5

Based on 1 ratings:

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Works well, when it works...

This is a very compact and high resolution IR imager.

I bought it with the PureThermal 2 - FLIR Lepton Smart I/O Board, and therein is a problem; when connected to my Ubuntu Linux as a USB camera, that board eventually locks up badly, and has to be disconnected from power to bring it back to life. This doesn't seem to happen when connected to OSX, so I don't know what the details are. That board's firmware is developed and maintained by https://groupgets.com/ , not FLIR, so it is a separate issue from this board, but I cannot use this module with my Linux board without that board and firmware.