Hamza GHRAIRIMarwane NISSOULFayçal El BouhatiMathieu Ebrahim
Published © GPL3+

EI2I Thermocam - Give Your Drone Thermal Vision!

Based on the powerful FLIR Lepton 3.5, this camera was initially designed to detect Asian hornet nests. Imagine what you could observe!

IntermediateFull instructions provided5 hours1,246
EI2I Thermocam - Give Your Drone Thermal Vision!

Things used in this project

Hardware components

Teensy 3.6
Teensy 3.6
CPU for the thermal camera
×1
Raspberry Pi Zero
Raspberry Pi Zero
Wireless transmission unit
×1
Flir Lepton 3.5
Thermic sensor for the thermal camera https://www.digikey.com/product-detail/en/flir/500-0771-01/500-0771-01-ND/7606616
×1
ArduCam OV2640
Optical sensor for the thermal camera https://www.gotronic.fr/art-camera-arducam-ov2640-25251.htm
×1
Memory Socket, SD Card
Memory Socket, SD Card
to weld on the PCB
×1
Breakout FLIR Lepton
32 pin socket for the lepton sensor https://www.digikey.com/product-detail/en/flir/250-0587-00/250-0587-00-ND/5266963
×1
3.2" TT LCD Display Module
Used when the camera is on the land. http://www.buydisplay.com/default/3-2-inch-capacitive-touchscreen-240x320-tft-lcd-module-display
×1
Battery, 3.7 V
Battery, 3.7 V
Power up everything
×1
5 V Step Up boost regulator
Booster for the 3.7V battery https://www.gotronic.fr/art-regulateur-5-v-s7v8f5-21748.htm
×1
TP4057 Charging Module
To charge the LiPo https://www.ebay.com/itm/TP4057-5V-1A-LED-Charger-Charging-Module-For-3-7V-Li-ion-Lithium-18650-Battery/122754421232?hash=item1c94bbd1f0:g:EssAAOSws8VZ3ZSX
×1
E-Switch R6ABLKBLKFF
Power ON / OFF switch http://www.digikey.com/product-detail/en/e-switch/R6ABLKBLKFF/EG1526-ND/301973
×1
E-Switch EG1201A
Slide switch between Charging and powering the wireless module http://www.digikey.com/product-detail/en/e-switch/EG1201A/EG1902-ND/101723
×1
SanDisk 8GB microSD card
One for the raspberry (8Gb min) and one for the thermal camera (1Gb min) http://www.ebay.com/itm/SanDisk-32GB-16GB-8GB-Micro-SD-SD-HC-TF-Memory-Card-Retail-Package-Class-4-C4-/152291118415?var=&hash=item2375420d4f:m:mhCKhMZoMK-EaKQbv04Y5Ag
×1
JST PHR-2
To the LiPo battery https://www.digikey.com/product-detail/en/jst-sales-america-inc/PHR-2/455-1165-ND/608607#images-1
×1
JST S2B-PH-K-S
To connect the LIPO and the PCB http://www.digikey.com/product-detail/en/jst-sales-america-inc/S2B-PH-K-S(LF)(SN)/455-1719-ND/926626
×1
40-pin 2.54mm female header
For the screen http://www.digikey.com/product-detail/en/sullins-connector-solutions/SFH11-PBPC-D20-ST-BK/S9200-ND/1990093
×1
8-pin 2.54mm female header
for the connection between the breakout and the PCB http://www.digikey.com/product-detail/en/sullins-connector-solutions/PPPC081LGBN-RC/S5483-ND/775941
×1
40-pin 2.54mm male header
For welding everything up on the PCB http://www.digikey.com/product-detail/en/4-103741-0/A26509-40-ND/297917
×2
Keystone 3001
http://www.digikey.com/products/en?keywords=Keystone%203001
×1
CR1220 coin cell battery
For the teensy RTC http://www.digikey.com/product-detail/en/energizer-battery-company/CR1220VP/N033-ND/704851
×1
4.7K 1/4W 1% resistor
For pull up http://www.digikey.com/product-detail/en/stackpole-electronics-inc/RNMF14FTC4K70/S4.7KCACT-ND/2617510
×1
10K 1/4W 1% resistor
For battery gauge http://www.digikey.com/product-detail/en/stackpole-electronics-inc/CF14JT10K0/CF14JT10K0CT-ND/1830374
×1
Mini tripod
Used when your camera is on land https://www.ebay.com/itm/Universal-Mini-Flexible-Portable-Tripod-Stand-for-Digital-Camera-HD-Nikon-Canon/381340421241?epid=14009503154&hash=item58c9a90c79:g:zbQAAOSwpmNbKRpD
×1
Tripod socket
https://www.amazon.com/The-Hillman-Group-2511-13-Pack/dp/B00HYLZ33W/
×1
Screw M2x10
×1
Screw M2x8
×1
Screw M2.5x6 Black
×1
Nut M2
×1
Custom PCB
Custom PCB
Hence the Gerber files attached, you can purchase your own on pcbway.com
×1
3D printed enclosure
Hence the 3D printing files attached
×1
Video transmitter 5.8 GHz
https://www.ebay.fr/i/113675327880?chn=ps
×1
GPS OEM EM-506
https://www.lextronic.fr/modules-gps/29804-recepteur-gps-oem-em-506.html
×1
Receiver 5.8 GHz
https://www.droneshop.com/recepteur-58ghz-av
×1
5V to 12V Step Up regulator
https://www.gotronic.fr/art-booster-12-v-u3v12f12-21752.htm
×1

Software apps and online services

Eclipse
Jupyter Notebook
Jupyter Notebook
KiCad
KiCad
Windows 10
Microsoft Windows 10
or 7

Hand tools and fabrication machines

Soldering Iron Tip, Gull Wing
Soldering Iron Tip, Gull Wing
the thinnest possible
Soldering iron (generic)
Soldering iron (generic)
Screwdriver for M2 bolts
Hot glue gun (generic)
Hot glue gun (generic)

Story

Read more

Custom parts and enclosures

All 3D files

This includes all the '.stl' files you need to print the thermal camera and the wireless module.

Gerber and KiCad files

This file includes a Gerber folder, that you just upload to your PCB manufacturer, and a KiCad project file to see or modify the PCB (then you should generate your own gerber files).

Schematics

Assembly guide - Thermal camera

This document is here to help people to assemble their thermocam

GPS path viewer - Software and guide

This folder includes the code and a READ_ME tutorial file.

All 3D files

This includes all the '.stl' files you need to print the thermal camera and the wireless module.

How to Use the EI2I Thermocam ?

This is a complete step by step guide to show you how to use the Wireless module with the thermal camera.

How-to program the Thermal Camera

This document helps you following the steps for flashing the Teensy.

Electrical schematic

This shows you every connection

Assembly guide - Wireless Module

This is the step by step guide to buil your own wireless module !

C code for Arduino

Go to the Github link below to have info about implementation https://github.com/maxritter/diythermocam_firmware/tree/40e9c8a774ce4707db48dc1ce6462cbe0044825f

Code

The 'C' code implemented into the Thermal Camera - Go to "schematics and circuit diagrams"

C/C++
You can use Sloeber Eclipse to open the codes, modify them. You'll need the arduino plug-in to compile for the Teensy µC.
//   Section to see

Credits

Hamza GHRAIRI

Hamza GHRAIRI

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Marwane NISSOUL

Marwane NISSOUL

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Fayçal El Bouhati

Fayçal El Bouhati

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Mathieu Ebrahim

Mathieu Ebrahim

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Thanks to Max Ritter.

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