Literaturverzeichnis.md

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 1. Edgar, Fleisch: https://cocoa.ethz.ch/media/documents/2014/06/archive/AUTOIDLABS-WP-BIZAPP-53.pdf
 1. Fleisch, E., Weinberger, M. & Wortmann, F. Geschäftsmodelle im Internet der Dinge. HMD 51, 812–826 (2014). https://doi.org/10.1365/s40702-014-0083-3
 1. https://www.amazon.de/-/en/Notify-me/dp/B07F655Y2N
+https://starthardware.org/arduino-wifi-mit-dem-esp8266-als-arduino/​
+
+https://techtutorialsx.com/2016/07/17/esp8266-http-get-requests/​
+
+https://www.makeuseof.com/tag/wifi-connected-button-esp8266-tutorial/​
+
+https://randomnerdtutorials.com/esp8266-nodemcu-http-get-post-arduino/​
+
+https://randomnerdtutorials.com/esp32-http-post-ifttt-thingspeak-arduino/​
+
+https://github.com/esp8266/Arduino​
+
+https://github.com/Siytek/AnotherIFTTTWebhook​
+
+https://osoyoo.com/wp-content/uploads/2016/12/nodemcuiot_button_1.png​
+
+https://wolles-elektronikkiste.de/wp-content/uploads/2020/05/Beitragsbild.png​
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+https://static0.makeuseofimages.com/wordpress/wp-content/uploads/2015/11/NodeMCU__v1.0_pinout.jpg?q=50&fit=crop&w=750&dpr=1.5​
+
+https://i1.wp.com/randomnerdtutorials.com/wp-content/uploads/2020/05/HTTP-POST-IFTTT-ESP32.png?w=900&quality=100&strip=all&ssl=1​
+
+https://www.techcoil.com/blog/how-to-post-json-data-to-a-http-server-endpoint-from-your-esp32-development-board-with-arduinojson/​
+
+https://github.com/bblanchon/ArduinoJson​
+
+https://www.amazon.de/Plummet-Notify-me/dp/B07F655Y2N​
+
+https://www.getnotify.me/developer​
+
+https://www.amazon.de/Emil-Thies-Text-Nachricht/dp/B07FDHWT6K​
+
+https://anrufliste.cloud/TextNachricht/sender/index.php?aid=<ID FROM SKILL>