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M5Stack Thermal Camera

forked from hkoffer https://github.com/hkoffer/M5Stack-Thermal-Camera-

Latest revision: 20180626

What differ from the original repo

  • Code refactoring (pretty much everything)
  • UX revamped
  • Display the min value
  • Display FPS
  • Autoscaling temperature
  • Move the spot value (in float) to the center
  • Pin point the min and max pixel (min colored in blue and max in white)
  • Auto reboot and reset the i2c port in case of bad connexion
  • Pause state
  • Autosleep function

Onboarding

Required library

Settings

Please change the settings in the file M5Stack/M5Stack.ino if something is wrong (especially the orientation).

Setting Default
ORIENTATION 1 Set the orientation of the screen
Some batch of M5Stack need it 1 while some other need 0
BRIGHTNESS 255 Brightness level from 0 to 255
SLEEP 5 Time in minutes before auto turn off
DEFAULT_MIN 22 Minimal temperature scale at boot
DEFAULT_MAX 32 Maximal temperature scale at boot

Usage

If no buttons is used after the set period (5mins by default) the unit will power off automatically.

Mode Button Function
MODE B Autoscaling (take current min/max)
C Pause the screen
SMIN B Reduce the minimal temp of the scale
C Increase the minimal temp of the scale
SMAX B Reduce the maximal temp of the scale
C Increase the maximal temp of the scale
POINT B Activate/Deactivate the pinpoint of the minimal reading
C Activate/Deactivate the pinpoint of the maximal reading

When in frozen state:

Button Function
A Turn OFF the camera (Also turn back ON)
B Nothing
C Unfreeze the camera

Might do (eventually)

  • Save to SD (maybe save the buffer as bmp then display it and let the choice to save when on frozen state)
  • Add sensor reading as overlay with low alpha over a real camera feed (need to compensate the angle)
  • Web interface (yes, it's useless but I like remote control of crap)
  • API REST of the raw values (because why not)

Changelog

20180626 : Init.

(outdated picture but you get an idea of what it does)

This is a library for the Adafruit AMG88xx based thermal cameras: Adafruit invests time and resources providing this open source code, please support Adafruit and open-source hardware by purchasing products from Adafruit! Written by Dean Miller for Adafruit Industries. MIT license, all text above must be included in any redistribution