It isn't I want to try for the title of "Most active posts". I am trying to keep things segmented. I am faced with this scenario: I have a PiFaceCAD hat for the RasPi. It works. It came with some python scripts and they work. (Well, that's a bit debatable. However.) There is a problem though…

So this is a kind of Python API server using MQTT as the API transport. In this very first version, the API is limited, it supports the following Send some text to be written on the display Send heartbeat command to the script to check it is alive and get a response back Send stop command t…

What you are saying is beyond my understanding. No, I don't have the code. I am messing around with what others have written. It kind of works. The problem is if I do it via Node-Red, the display is initialised with every message. Yet doing it from within python (in a CLI on the machine) I can …

[image] Trying_to_learn: I am wanting to learn how to get around that problem so I can use Node-red. Writing python code to act as a loop and get it to receive messages from MQTT is way way way beyond my skills. OK, no problem, we are all here trying to learn Give me example of a python py…

(The remote machine is booting.) Existing problems: I somehow have lost the ability to move the cursor on the screen. So I can't send it a message prefixed with its x/y position. (eg:) 2,2:"Message here" That should be position 2 of line 2. It is shown at position 1 of line 1. (Great. I c…

Fine, I'll look into this, might be ready for you tomorrow morning

Please don't put too much effort into it. I am getting a new RasPi, new display - different size - for this project. So there will be a new node to talk to the new display. There are two of them, and they both look similar. :frowning: I need to find out if either support programmable character…

No problems, actually I think I have already shared a python script talking to the pifacecad using mqtt somewhere here on the forum. Search is your friend [image] PiFace CAD - a different request General @Trying_to_learn Dear Andrew, no problems at all, sorry and sad for…

Just because you can run a Python script (or BASH, PowerShell, ...) from Node-RED, that doesn't make it the best approach. I've come to this discussion late because I've been busy but my first recommendation would have been to build a Python API server - this sounds scary but really isn't. You can …

That is Greek to me. As @TotallyInformation said I need to build a python API server. Yes, it is scary, and I am worried about how to do it. I think I will wait though until the actual hardware arrives and I know exactly what is going on. This would be better I think because as problematic as th…

Is nothing to be scared about, I realize we had already a discussion around this topic back in January 16 when I provided you with a very similar Python script, also for the PiFaceCAD, then for reading inputs and write text to display. That script was also working as a Python API server (this sounds…

[image] krambriw: Is nothing to be scared about, I realize we had already a discussion around this topic back in January 16 when I provided you with a very similar Python script, also for the PiFaceCAD, then for reading inputs and write text to display. Wow! How I had forgotten. And I guess…

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How does Node-Red interact with Python?

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krambriw 29 July 2020 10:51 22

No problems, actually I think I have already shared a python script talking to the pifacecad using mqtt somewhere here on the forum. Search is your friend

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How does Node-Red interact with Python?

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