docs: update klingel
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klingel.md
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klingel.md
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title: Door bell
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description:
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published: 1
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date: 2024-03-03T16:09:33.767Z
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date: 2024-03-03T18:52:07.231Z
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tags:
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editor: markdown
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dateCreated: 2024-03-02T02:22:57.232Z
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@ -15,7 +15,8 @@ dateCreated: 2024-03-02T02:22:57.232Z
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- opening of door
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- Home Assistant connection
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- smartphone app?
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-
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- physical reset button
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# Current system
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@ -40,8 +41,23 @@ https://www.videosprechanlagen.info/Kann-man-Klingeldraht-verlaengern
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https://www.mikrocontroller.net/topic/533047
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https://forum.arduino.cc/t/wlan-klingel-mit-esp8266-fur-fritzbox/589769
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## Preferred solution
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===https://www.panbachi.de/smarte-tuerklingel-alte-sprechanlage-smart-machen/===
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### BOM
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Wemos D1 mini
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Relay Shield für den Wemos D1 mini
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Tripler Base für den Wemos D1 mini
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LM2596 DC-DC Step-down
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B80C800DM Brückengleichrichter
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PC814 Wechselstrom Optokoppler (Vor den Optokoppler habe ich noch einen 1k Widerstand geschaltet)
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@ -54,7 +70,7 @@ https://forum.arduino.cc/t/wlan-klingel-mit-esp8266-fur-fritzbox/589769
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## Code
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### Code
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```
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//DoorBell.ino
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