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
If you would like to support the developer with a cup of coffee you can do that via Paypal.
In other cases you can contact the developer via email: 
- 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!
- NEW: 7.1.2: bug fix setting hostname, Flash-LED not off during reboot
- NEW: 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
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NEW: 7.0.1: bug fix wlan password with "="
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Upgrade digital CNN to v8.5.0 (added new images)
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New MQTT topics: flow rate (units/minute), time stamp (last correct read readout)
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Update MQTT/Error topic to " " in case no error (instead of empty string)
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Portrait or landscape image orientation in rotated image (avoid cropping)
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
- n.a.