hello, i have the intention to fill a chart with random data. it shall simulate if people done a task it appear in a chart. i have no sucecss with inject & delay node. (at least my chart looks linear slope) i need a trigger that send a message random between 1-10 minutes and after the delay it …

Here is a way of refactoring the loop to make it a bit neater. [{"id":"f6d5dfd7.84ec5","type":"function","z":"6dc690a3.1abc88","name":"","func":"const minDelay = 1, maxDelay =5; // seconds\nvar run = context.get('state') || false;\nif (msg.topic.toLowerCase() === 'control') {\n run = ! run;\n}\n…

also posted here HTTP GET request for data and post to website

[image] drmibell: ... but if anyone can suggest less ugly code I would be grateful. You could use a dsm node: [{"id":"a26cd0b7.90aef","type":"dsm","z":"66646ca8.e97654","name":"random trigger","sm_config":"{\n \"currentState\": \"stopped\",\n \"states\": {\n \"stopped\": {\n …

@Colin , thanks! That certainly is neater -- and just the sort of help I'll need if I am ever going to get really comfortable with JavaScript. I have coded in at least a dozen high-level languages since the mid-1970's, and JS may not be the most difficult or opaque, but somehow I find it the most ann…

@cflurin That's a really nice solution to the problem. At one time, finite state machines were my bread and butter, so I've looked for opportunities to use your node. Unfortunately, I haven't done much with it for a couple of reasons. One is the learning curve associated with the JSON objects used f…

Hi Guys, All solution looks cool, but could someone improvised such that, it always run? no need manual intervention? I did something like this: [image] But it would go haywire/crazy when I click multiple time on inject. And I do not want the possibility of accidentally turn delay off.

I'm not certain exactly what issue you are having, but I suggest that instead of the function node you use node-red-contrib-random-event-generator , which has the same functionality. This flow will start generating triggers at random intervals as soon as it is deployed. [{"id":"11bbb517.23d813","typ…

Thank you, i think this is what I am looking for. Without inject node, this will run indefinitely?? [image]

[image] eugene: Without inject node, this will run indefinitely? No, the random event generator is designed to be stopped when it is first deployed. This prevents messages from flowing before other nodes in the flow are ready to handle them. The flow I posted above will start to run as soon a…

How can i build a random delayed trigger loop?

General

cflurin 5 November 2018 09:20 13

@drmibell: Thanks for your feedback, your answer is dsm specific, so I moved to node-red-contrib-dsm Node-red-contrib-dsm

Topic		Replies	Views
Changing the inject node repeat option from UI General	10	3972	13 April 2023
Simple pulse generator General delay	8	1749	16 April 2022
Trigger node help - please General	10	1089	1 June 2019
Design pattern for restarting a message loop (which should contain only one message at the time) with multiple dynamic delays General	19	1403	25 October 2021
Disable flow / injection using a button on the dashboard General node-red-dashboard , function-node	15	2246	24 December 2021

How can i build a random delayed trigger loop?

Related topics