#Lepton camera module drivers

The goal here is to create useful Open Source drivers for some very interesting hardware, and there’s some prizes to sweeten the pot. This really is a great example of what the Hackaday.io community is capable of. You can understand how he became interested in portable, and we’re sure whatever project he has in mind for this battery-powered Flir will be awesome. Peter Jansen is the creator of the Open Source Science Tricorder (yes, it’s a tricorder) which took Fourth Prize in the 2014 Hackaday Prize. The Lepton gives any project thermal imaging, and the PureThermal board turns the Lepton into a USB device. For a pair of Benjamins, the specs are very impressive: the Lepton has a resolution of 60×80 pixels and everything is can be read over an SPI port. The Flir Lepton is a tiny little thermal camera that’s been available to the Maker community for some time now, first through GroupGets and now through Sparkfun. There are two challenges here, one for the Raspi and one for the ESP32 and winner will be named for each.

#Lepton camera module software

Any software in this challenge must spit out absolute temperature values in a text format, and there must be a demonstration of putting the Flir Lepton into low-power mode. The rules for this challenge are to use the Flir Lepton 2.5 in radiometric mode using either the Raspberry Pi Zero W or ESP32. Yes, this is a documented feature in the Flir Lepton module, but so far very few people are using it, and no one has done it with a small, battery-powered device. There’s a catch, though: this is a project to use the Lepton in radiometric mode, where the camera spits out an actual temperature value for each pixel. Use a Flir Lepton thermal imaging camera module in a battery-powered configuration. Peter Jansen has opened up the Hot Camera Contest on Hackaday.io to use a thermal imaging camera in a battery-powered project.

Here’s a challenge for all you hardware hackers out there. Posted in hardware Tagged diy flir camera, Flir lepton, tcam-mini Along with tweaking the ESP32 firmware, there is still a lot that can be done with the TCam-Mini, but it sure looks like a fun project to tinker with if one is into Leptons. For this he repurposed an old in-ear thermometer calibration device. Recently has also begun to further characterize these Lepton sensors, in order to see whether their accuracy can be improved from the rated +/- 5-10 ☌.

#Lepton camera module professional

Being able to load the radiometric data directly into a desktop application for processing makes it a closer match to the professional thermal cameras which states that he’d like to get as close to in terms of features as possible.

#Lepton camera module portable

Compared to the aforementioned FLIR One Pro, there’s a definite benefit in having a more portable unit that is not reliant on a smartphone and accompanying FLIR app. Not cheap, but quite a steal relative to e.g. The project is available on GitHub, as well as as a GroupGets crowd-funding campaign, where $50 gets one a TCam-Mini board, minus the $199 Lepton 3.5 sensor. Using the 160×120 pixel FLIR Lepton 3.5 thermal sensor, and combining it with a custom PCB and ESP32 module for wireless, he created a wireless thermal camera called the TCam-Mini along with accompanying software that can display the radiometric data. While the ultimate goal is to create a stand-alone solution, with its own screen, storage and processing, the TCam-Mini is an interesting platform.

Supply voltage: 2.8 V, 1.2 V, 2.5 V to 3.With how expensive thermal cameras are, why not build your own? This is the goal with which set out a while ago, covering the project in great detail.

Non-uniformity correction (NUC): automatic with snapshot.

Image optimization: factory set and fully automatic.

Optimum temperature range: -10 ° C to + 80 ° C.

Control interface: CCI (similar to I2C), IO CMOS voltage levels.

Thermal sensitivity: <50 mK (0.050 ° C).

Spectral range: infrared, 8 µm to 14 µm.

Radiometric accuracy: +/- 5 ° C or 5% (typical), +/- 10 ° C or 10% (typical).

Output Format: User selectable 14-bit, 8-bit (using AGC), or 24-bit RGB (using AGC and Colorization).

Input clock: 25 MHz nominal, IO CMOS voltage levels.

#Lepton camera module full

Full documentation with examples of use is available on the product page. For communication, the module uses the SPI interface (image transmission) and I2C (configuration). Due to its small size, the camera can be easily integrated with mobile devices as an infrared sensor. It is calibrated and allows you to obtain accurate information about the temperature on the surface in a non-contact way. It offers a viewing angle of 63.5 ° (diagonal) and 50 ° (horizontal) and can download data at a frequency of up to 8.6 Hz. LWIR thermal imaging camera module equipped with a matrix with a resolution of 80圆0 pixels with progressive scanning.