Good morning all, I am trying to build a dashboard with lots of gauges to show the current integer values from a number of Arduino based modbus servers. i can only get the data from the very first input register of each device to display on a gauge. All my data is visible in the form of an array …

Have a look at the section in docs Working with Messages. That will show you how to extract each element and send it to a different guage. You will need to send the array to multiple Change nodes in parallel, each one extracting one element, then pass these on to the dashboard nodes. https://noder…

Hi Colin, I have read that page from top to bottom 4 times now. It tells me what can be done, but not how to do anything. What prior knowledge is assumed? Are there any other online resources, with examples that may help me? I am prepared to learn this for myself but it is a struggle tbh

So you need to split the array and route each element to different flow path. This is two step operation. Split Route For split there is Split node. Read info page , configure and try. See the output of split node by using debug node with option to see whole msg. You should get series of message…

Hi, I have seen and read the info pages. I even think I understand what you are suggesting. However, the debug outputs the same as before. I cannot understand how to configure the split node. I still get the output as an array. "Array - the message is split into either individual array elements, or…

Here is example where first step is split array into separated messages https://cookbook.nodered.org/basic/operate-on-array

Okay, I now have all my measurements split into seperate messages in the debug window. I don't get any msg at all on the outputs of the switch node when set as: property msg.payload == msg. 1 == msg. 2 == msg. 3 Is this configuration correct?

I've been at this for well over 25 hours since yesterday morning! I'm giving it up for now, it's time to salvage some of my weekend.

Attach a debug node (your friend) set to display the 'complete msg object' on the output of the split node. This way you can see what the data is. You probably want to set msg.part to a number.

I am stuck on the switch node of my problem. I am not making any progress at all. My array is split into separate messages. I believe it is a syntax thing that I am not aware of. Array element 0 to the first output Array element 1 to the second output Array element 2 to the third output Etc. Wh…

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A different gauge for each element of an array

Dashboard

Matt 11 July 2019 20:38 17

Thank you! This worked straight away. Namaste

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A different gauge for each element of an array

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