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AI-on-the-edge-device

This is an example of Artificial Intelligence (AI) calculations on a very cheap hardware.

Details on function, installation and configuration can be found on the Wiki Page

A 3d-printable housing can be found here: https://www.thingiverse.com/thing:4573481

respectively ESP32-Cam housing only: https://www.thingiverse.com/thing:4571627

Donate

If you would like to support the developer with a cup of coffee you can do that via Paypal.

If you have any technical topics, you can file a issue in this repository.

In other cases you can contact the developer via email:

Change log

Known Issues

  • slow response of web server during picture analysis
  • spontaneous reboots (mostly due to html access during image processing) - self recovery implemented

General remark: Beside the firmware.bin, typically also the content of /html needs to be updated!

8.4.0 - Multi Meter Support (2021-09-25)

  • License change (remove MIT license, remark see below)

  • html: show hostname in title and main page

  • configuration:

    • moved setting ExtendedResolution to individual number settings
    • New parameter IgnoreLeadingNaN (delete leading NaN's specifically)
    • ATTENTION: update of the config.ini needed (open, adjust ExtendedResolution, save)

  • Bug fixing (html, images of recognized numbers)

ATTENTION: LICENSE CHANGE - removal of MIT License.

  • Currently no licence published - copyright belongs to author
  • If you are interested in a commercial usage or dedicated versions please contact the developer
    • no limits to private usage
8.3.0 - Multi Meter Support (2021-09-12)
  • Upgrade digital CNN to v12.1.0 (added new images)
  • Dedicated NaN handling, internal refactoring (CNN-Handling)
  • HTML: confirmation after config.ini update
  • Bug fixing
8.2.0 - Multi Meter Support (2021-08-24)
  • Improve server responsiveness
  • Flow status and prevalue status in overview
  • Improved prevalue handling
8.1.0 - Multi Meter Support (2021-08-12)

  • GPIO: using the general mqtt main topic for GPIO

  • Upgrade digital CNN to v12.0.0 (added new images)

  • Update tfmicro to new master (2021-08-07)

  • Bug fix: remove text in mqtt value, remove connect limit in wlan reconnet

8.0.5 - Multi Meter Support (2021-08-01)
  • NEW 8.0.5: bug fix: saving prevalue
  • NEW 8.0.4: bug fix: load config.ini after upgrade
  • NEW 8.0.3: bug fix: reboot during config.ini handling, html error
  • NEW 8.0.2: saving roundes prevalue, bug fix html server
  • NEW 8.0.1: bug fix: html handling of parameter FixedExposure and ImageSize
  • Dual / multi meter support (more than 1 number to be recognized) This is implemented with the feature "number" on the ROI definition as well as selected options
  • MQTT: standardization of the naming - including new topics (json, freeMem , uptime)c
  • Preparation for extended GPIO support (thanks to Zwerk2k) - not tested and fully functional yet
  • Bug fixing: html server, memory leak, MQTT connect, hostname, turn of flash LED

ATTENTION: the configuration and prevalue files are modified automatically and will not be backward compatible!

Additional ideas

There are some ideas and feature request, which are not followed currently - mainly due to capacity reasons on side of the developer. They are collected here: FeatureRequest.md

History

7.1.2 MQTT-Update - (2021-06-17)

7.0.1 MQTT-Update - (2021-05-13)

6.7.2 Image Processing in Memory - (2021-05-01)
5.0.0 Setup Modus - (2020-12-06)
4.1.1 Configuration editor - (2020-12-02)
4.0.0 Tflite Core - (2020-11-15)
3.1.0 MQTT-Client - (2020-10-26)
2.2.1 Version Control - (2020-09-27)
2.1.0 Decimal Shift, Chrome & Edge - (2020-09-25)
2.0.0 Layout update - (2020-09-12)
1.1.3 Initial Version - (2020-09-09)

Full Changelog