1a- start Node-RED in a terminal window
1b- on the raspberry pi start Node-RED ( menu)
2- browser 192.168.0.230:18800
Node Red MQTT on the Raspberry Pi
https://www.youtube.com/watch?v=WxUTYzxIDnsdocs/getting-started/running
Anchor1a 1a
1a- start Node-RED in a terminal window
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