Hello, I would like to use node red instead of a python script which is started at system start. Unfortunately, I am not getting the functionality to run. Here is my python script: #Einstellungen klingel_gpio = 4 #GPIO, der mit der Schaltung verbunden ist gpio.setmode(gpio.BCM) gpio.setup(kling…

If you are running node-red, what does your node-red flow look like? Do you have node-red running at startup? What platform are you using? Pi, Windows?

You shouldn't have to. When the pin state chages you should get a message.

Ok. Thank you. I will retry next weekend and give you feedback.

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Colin 9 February 2020 16:54 3

Also check that gpio 4 in the node-red node is the same pin as is meant by 4 in the python script. There is often confusion over pin number vs gpio number.

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