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docs/outdated--Integrated-Functions.md

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+# Integrated Functions
+
+!!! Warning
+    This page no longer is maintained!
+
+## wasserzaehler
+
+```http://IP-ESP32/wasserzaehler.html```
+
+This is the main purpose of this device. It returns the converted image as a number with different option. The output can be modified either by the configuration parameters or by HTML parameters.
+
+Details can be found here:  tbd
+
+
+
+## Picture Server
+
+```http://IP-ESP32/capture```
+
+```http://IP-ESP32/capture_with_flashlight```
+
+This is a implementation of the camera interface of https://github.com/jomjol/water-meter-picture-provider
+
+It is fully compatible including the parameters (```quality```=..., ``size=...`` ) . This allows to use this ESP32 system in parallel to the corresponding docker system: https://github.com/jomjol/water-meter-system-complete, from which this project is basically the successor.
+
+
+
+## File server
+
+Access: ```http://IP-ESP32/fileserver/```
+
+Simple file server, that allows viewing, upload, download and deleting of single files of the SD-card content.
+
+The usage is self explaining. The file path or file can directly be accessed by the URL after file server.
+
+Example for ```config.ini``` :  ```http://IP-ESP/fileserver/config/config.ini```
+
+
+
+## OTA-Update
+
+```http://IP-ESP32/ota?file=firmware.bin```
+
+Here an over the air update can be triggered. The firmware file is expected to be located in the sub directory ```/firmware/``` and can be uploaded with the file server. By the parameter ```file``` the name of the firmware file needs to be given.
+
+
+
+## Reboot
+
+```http://IP-ESP32/reboot```
+
+A reboot with a delay of 5 seconds is initiated, e.g. after firmware update.
+
+**ATTENTION**: currently this is not working properly - hardware power off is needed instead. **Work in progress!**
+
+
+
+##  Simple Web Server
+
+If none of the above URLs are fitting, a very simple web server checks, if there is a fitting file from the sub directory ```/html``` 
+This can be used for a very simple web server for information or simple web pages.