Neuer Blogbeitrag: Monatsrückblick - Dezember 2025 🎄

[mickym]

oder einfach den Schalter rot/grün leuchten lassen:

Spoiler

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[m.gans]

@mickym said in Ampel Steuerung in NodeRed:

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Danke. Und wie gebe ich nun die MQTT Signale frei?

[mickym]

@faithlux

Spoiler

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[m.gans]

@mickym Herzlichen Dank.

In Zukunft möchte ich eventuell noch andere MQTT Geräte dazu packen. Würde das auch mit MQTT Eingäng funktionieren?

zB Bewegungssensoren, die ich gerne, nach diesem Prinzip des rot/grünen Schalters so sperren möchte..?

[mickym]

@faithlux Ja wobei ich mit dann die über den mqtt-eingang erstellten Flags in den Kontext speichere und damit dann die Signale an beleibigen Stellen filtere.

Also zum Beispiel Anwesenheit

Später kannst Du dann filtern indem Du mit einem switch den Zustand direkt aus dem Kontext prüfst - denn die mqtt in triggert ja nur, wenn neu gesetzt wird.

Bewegungsmelder meldet nur, wenn jemand anwesend ist.

Spoiler

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[m.gans]

@mickym Okay.. verstehe. Aber mit einem Schalter dazwischen, dass ich den auf dem Dashboard betätigen muss, um so den MQTT Eingang scharf zu schalten geht nicht? Weil so hätte ich maximale Kontrolle darüber. Solange der Switch XY nicht betätigt ist, wird da nichts leuchten etc..

[mickym]

@faithlux Natürlich geht das - da brauchst auch kein mqtt dazwischen. Das kannst Du doch direkt in NodeRed steuern.

Spoiler

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[m.gans]

@mickym Besten Dank. Das funktioniert. Habe es soeben mit meinen zwei Bewegungsmelder getestet.

Ich benötige jetzt nur noch einen Schalter welcher sich so verhält wie ein normaler Dashboard Switch, aber nicht auf dem Dashboard zu sehen ist. Bekommst du das so auf die schnelle hin?

[mickym]

@faithlux sagte in Ampel Steuerung in NodeRed:

Ich benötige jetzt nur noch einen Schalter welcher sich so verhält wie ein normaler Dashboard Switch

Ja aber wer schaltet das denn - Du kannst jederzeit auch andere Kontextvariablen speichern - ich versteh das Problem nicht. Wie gesagt Du kannst auch über mqtt-In Node eine Kontextvariable setzen oder auch von anderen Dingen eine Variable setzen.

[m.gans]

@mickym Ich will was probieren.. 😅 hat nicht direkt was mit diesem problem zu tun. ich will nur diese steuerung mit einem zusatz aufwerten, dafür benötige ich diesen schalter.

[mickym]

@faithlux Wie gesagt Du kannst jeden Zustand abspeichern und mit ergänzen. Ansonsten musst Du halt konkreter werden, wie dieser Zustand erfasst wird.

[m.gans]

@mickym mit dem abspeichern tu ich mich momentan noch bisschen schwer.. mein vorhaben ist obsolet, habe es soeben selber gemerkt.

Jedoch ist mir aufgefallen, dass folgendes sinnvoll wäre:

Jede Verbindung ist freigegeben.

Nehmen wir an, die rote Ampel leuchtet. Ich möchte mit einem Dashboard Switch, die rote Ampel für beispielsweise 10 sekunden sperren (timer läuft ab) in dieser Zeit soll die grüne Ampel leuchten.

[mickym]

@faithlux Dann kannst Du auch einen Button verwenden.

Betätigst Du diesen ist der Flow für 10s freigegeben.

Spoiler

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Wenn Du ein visuelles Feedback haben willst, kannst Du es dann auch so machen:

Spoiler

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[m.gans]

@mickym hat wunderbar funktioniert. danke für deine geduld.

habe bereits ein neues problem. werde dazu aber ein neues thread machen.

[Ein ehemaliger Benutzer]

danke hat mir auch super geholfen.

[Ein ehemaliger Benutzer]

@mickym
Ich habe das auch mal versucht. Jedoch benötige ich eher so etwas:

Nur, das funktoniert nicht. Weil ja der Schalter keine Daten durchlässt..

Bei meiner Modelllbahn soll die Anzeige nur dann die Temperatur des Fühlers anzeigen, wenn ich den Schalter betätigt habe.

[mickym]

@exc nochmal wie in dem anderen thread. du setzt mit dem Schalter eine Variable und über eine switch node steuerst du nun, ob die Werte aus der mqtt node die text node erreicht

[Ein ehemaliger Benutzer]

@mickym
und da kann ich temperatur werte etc darüber steuern?
könntest du mir das nochmal einfach zeigen in einem flow?
das im anderen thread funktioniert auch wunderbar. nur es soll hier wirklich nur die temperatur gemessen werden wenn der switch betätigt, also eingeschalten wird. ergo es soll micht mehr messen, wenn der switch wieder ausgeschalten wird.

habe das mit der variable versucht, irgendwie geht das nicht.

[mickym]

@exc Na Du machst nicht den Schalter dazwischen rein sondern filterst mit einer switch Node.

so:

Hier zum Import:

Spoiler

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[Ein ehemaliger Benutzer]

@mickym das hat tatsächlich geklappt.