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PureThermal 3 - FLIR Lepton Smart I/O Board with Lepton FS

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The PureThermal 3 FLIR Lepton Smart I/O Module is a hackable thermal webcam module for the FLIR Lepton Longwave Infrared (LWIR) camera core. It ships preconfigured to operate as a plug-and-play UVC 1.0 USB thermal webcam that will work with standard webcam apps such as VLC Media Player on PC, Linux, Mac, and Android. For developers, its reference firmware, viewer software, and hardware schematic are all open source!

Each PureThermal 3 is equipped with the reliable STM32F412 ARM microprocessor capable of processing images without any external system inputs. With a Lepton inserted into the PureThermal 3 you will be able to achieve 9Hz color video over USB using the USB UVC class. If USB isn't necessarily your desired medium, this board has also been fitted with 0.1" pins to interface over UART or I2C.

Note: This version of the PureThermal 3 comes with a FLIR Lepton FS imaging module. Lepton FS is a non-radiometric 160 x 120 resolution micro thermal camera module with reduced thermal sensitivity, reduced scene dynamic range, and up to 3% inoperable pixels.

  • 1x PureThermal 3 Breakout Board
  • 1x FLiR Lepton FS Module
  • Powered via USB-C or VIN
  • Get Thermal video over USB right out of the box using freeware apps like VLC on Mac, Linux, Windows, or Android
  • 9 Hz color video over USB using the USB UVC class
  • STM32F412 ARM microprocessor. Execute on-board image processing without the need for an external system
  • Through-holes for GPIO and peripheral breakouts to easily attach other devices
  • Open source reference firmware is on the GroupGets GitHub
  • Device Firmware Upgrade (DFU) the STM32 ARM MCU over USB
  • Debug via JTAG through a Tag-Connect EC10, an ARM20-CTX, & ST-Link V/2.
  • UART, I2C, and GPIO Expansion via standard 0.1” holes
  • Compatible with all current 2.x and 3.x Lepton cores
  • Compact 25.8 x 28.9mm form-factor that can be embedded into other modules or inconspicuously housed as a standalone web, research, or security camera

PureThermal 3 - FLIR Lepton Smart I/O Board with Lepton FS Product Help and Resources

Core Skill: Programming

If a board needs code or communicates somehow, you're going to need to know how to program or interface with it. The programming skill is all about communication and code.

3 Programming

Skill Level: Competent - The toolchain for programming is a bit more complex and will examples may not be explicitly provided for you. You will be required to have a fundamental knowledge of programming and be required to provide your own code. You may need to modify existing libraries or code to work with your specific hardware. Sensor and hardware interfaces will be SPI or I2C.
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Core Skill: Electrical Prototyping

If it requires power, you need to know how much, what all the pins do, and how to hook it up. You may need to reference datasheets, schematics, and know the ins and outs of electronics.

2 Electrical Prototyping

Skill Level: Rookie - You may be required to know a bit more about the component, such as orientation, or how to hook it up, in addition to power requirements. You will need to understand polarized components.
See all skill levels


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