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:4571627

Change log

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Known Issues

• Reboot on extensive web access due to the limits of the internal web server

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

5.0.0 Setup Modus - (2020-12-06)

• Implementation of intial setup modus for fresh installation

• Code restructuring (full compatibility between pure ESP-IDF and Platformio w/ espressif)

4.1.1 Configuration editor - (2020-12-02)

• Bug fixing: internal improvement of file handling (reduce not responding)

4.1.0 Configuration editor - (2020-11-30)

• Implementation of configuration editor (including basic and expert mode)

• Adjustable time zone to adjust to local time setting (incl. daylight saving time)

• MQTT: additional topic for error reporting

• standardized access to current logfile via http://IP-ADRESS/logfileact

• Update digital CNN to v7.2.0, analog CNN to 6.3.0

• Bug fixing: truncation error, CheckDigitConsistency & PreValue implementation

4.0.0 Tflite Core - (2020-11-15)

• Implementation of rolling log-files

• Update Tflite-Core to master@20201108 (v2.4)

• Bug-fixing for reducing reboots

3.1.0 MQTT-Client - (2020-10-26)

• Update digital CNN to v6.5.0 and HTML (Info to hostname, IP, ssid)

• New implementation of "checkDigitConsistency" also for digits

• MQTT-Adapter: user and password for sign in MQTT-Broker

3.0.0 MQTT-Client (2020-10-14)

• Implementation of MQTT Client
• Improved Version Control
• bug-fixing

2.2.1 Version Control (2020-09-27)

• Bug-Fixing (hostname in wlan.ini and error handling inside flow)

2.2.0 Version Control (2020-09-27)

• Integrated automated versioning system (menu: SYSTEM --> INFO)
• Update Build-System to PlatformIO - Espressif 32 v2.0.0 (ESP-IDF 4.1)

2.1.0 Decimal Shift, Chrome & Edge (2020-09-25)

• Implementation of Decimal Shift

• Update default CNN for digits to v6.4.0

• Improvement HTML

• Support for Chrome and Edge

• Reduce logging to minimum - extended logging on demand

• Implementation of hostname in wlan.ini (hostname = "HOSTNAME")

• Bug fixing, code corrections

2.0.0 Layout update (2020-09-12)

• Update to new and modern layout
• Support for Chrome improved
• Improved robustness: improved error handling in auto flow reduces spontaneous reboots
• File server: Option for "DELETE ALL"
• WLan: support of spaces in SSID and password
• Reference Image: Option for mirror image, option for image update on the fly
• additional parameter in wasserzaehler.html?noerror=true to suppress an potential error message
• bug fixing

1.1.3 (2020-09-09)

• Bug in configuration of analog ROIs corrected - correction in v.1.0.2 did not work properly
• Improved update page for the web server (/html can be updated via a zip-file, which is provided in /firmware/html.zip)
• Improved Chrome support

1.1.0 (2020-09-06)

• Implementation of "delete complete directory" Attention: beside the firmware.bin, also the content of /html needs to be updated!

1.0.2 (2020-09-06)

• Bug in configuration of analog ROIs corrected
• minor bug correction

1.0.1 (2020-09-05)

• preValue.ini Bug corrected
• minor bug correction

1.0.0 (2020-09-04)

• First usable version - compatible to previous project (https://github.com/jomjol/water-meter-system-complete)
• NEW:
  • no docker container for CNN calculation necessary
  • web based configuration editor on board

0.1.0 (2020-08-07)

• Initial Version

Full Changelog

Solved topics

• n.a.

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