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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!

8.0.3 - Multi Meter Support (2021-07-25)
  • 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!

7.1.2 MQTT-Update - (2021-06-17)
  • NEW: 7.1.2: bug fix setting hostname, Flash-LED not off during rebootNEW: 7.1.1: bug fix wlan password with "=" (again)
  • MQTT error message: changes "no error", send retain flag
  • Update wlan handling to esp-idf 4.1
  • Upgrade digital CNN to v8.7.0 (added new images)
  • Bug fix: MQTT, WLAN, LED-Controll, GPIO usage, fixed IP, calculation flow rate
7.0.1 MQTT-Update - (2021-05-13)

  • NEW: 7.0.1: bug fix wlan password with "="

  • Upgrade digital CNN to v8.5.0 (added new images)

  • New MQTT topics: flow rate (units/minute), time stamp (last correct read readout)

  • Update MQTT/Error topic to " " in case no error (instead of empty string)

  • Portrait or landscape image orientation in rotated image (avoid cropping)

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

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

Solved topics

  • n.a.