[Tutoriel 4] Création basique d’une interface Node-Red

Que ce que je fait faut si le MQTT IN ne se connecte pas?

J’ai tout fait comme tu l’as décrit.

Voila le message a droite dans le debug:
25/06/2020 à 22:23:09
msg : string[567]
“↵↵---------------------------------------------------------------------↵Your flow credentials file is encrypted using a system-generated key.↵↵If the system-generated key is lost for any reason, your credentials↵file will not be recoverable, you will have to delete it and re-enter↵your credentials.↵↵You should set your own key using the ‘credentialSecret’ option in↵your settings file. Node-RED will then re-encrypt your credentials↵file using your chosen key the next time you deploy a change.↵---------------------------------------------------------------------↵”