Greetings; Just started playing with Node Red on my brand new Rpi 4. I was able to read information from an Arduino running a simple web server without a problem. Now, I'm trying to get Node Red to display some information from a webserver running on my solar panel data unit. It runs http 0.9. In …

[image] TriLife: http 0.9 What do you mean by this? Are you sure you really mean that? This is the very first version of the HTTP protocol and certainly should never be used now. It is highly insecure for one thing. It also doesn't support any of the expected more advanced HTTP features. I v…

Hello TI; Well, I'm not sure that it is 0.9, but that is what this post says: [image] Hoymiles DTU microinverters (PV) Hi Typical solar plants have big/noisy inverter with an API. In my situation I choose micro-inverters technology… without API. BUT… if there is a needs - there must …

There is one notice - this file is available thru old HTTP/0.9 protocol. to download it using curl you must use additional flag --http0.9 You have to use curl, you cannot use node.js It is a cr**py old piece of kit that hasn't had an update - probably ever. Make sure you keep it well away from t…

Thanks Steve; I'm too new to Node-Red to understand [image] Basic Fetch Error General To be honest, adding yet another dependency on an external webserver seems like one kludge too far to me. Here's another approach that is self-contained in Node-RED: use the TCP Reques…

OK, so this tells you that you can bypass the page that you are requesting and directly ask for the XML. So if the address you are currently getting is something like http://1.2.3.4/index.html, replace that with http://1.2.3.4/hometable.xml?_t= followed by a number that represents the current time,…

Thanks! But, I had just done a apt full-upgrade, and now I'm getting Failed to execute child process “xterm” (No such file or directory) when I try to start Node-Red. Followed https://nodered.org/docs/getting-started/raspberrypi but the same error persists... Until I did this in /usr/bin: su…

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Getting http request to work with HTTP 0.9

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Steve-Mcl 26 May 2021 20:18 5

Or use TCP. Nick did an example some time back. I'll see if I can find it.

Here : Basic Fetch Error - #26 by knolleary

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Getting http request to work with HTTP 0.9

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