Hi there. I have a simple RGP String here and want to control it with the Colour picker. The Picker gives me a string like this: msg.payload : string[15] "rgb(77, 29, 20)" How can i split this msg to 3 outputs that gives me 77, 29 and 20? When i have this i can change the range from 0-255 to 0…

Here is a way you could do it with just the standard nodes AND without using regex. I'm sure someone else can give you an example using regex which wil make the flow smaller. [20%20PM] and here is the flow: [{"id":"5b779e08.cf148","type":"inject","z":"4915e138.8021c8","name":"","topic":"","paylo…

Hi, found a way to make it a bit shorter^^ [{"id":"51f7b740.8330b8","type":"tab","label":"Flow 1","disabled":false,"info":""},{"id":"897caaa8.5caa18","type":"debug","z":"51f7b740.8330b8","name":"","active":false,"tosidebar":true,"console":false,"tostatus":false,"complete":"false","x":1028,"y":202…

This output is easily parsed with a regular expression, like this in a function node: // pull the r, g, b string values out var rgb = msg.payload.match(/(\d+)/gi); // convert each value to a percentage var pwm = rgb.map(h => Math.round(100*h/255)); // return an object with named properties msg.pa…

Or... You could just set the colour picker to "output an object" rather than a string and save yourself a load of hassle...

Example flow [{"id":"715c1baf.2c7394","type":"ui_colour_picker","z":"dfe4ec36.0a5a5","name":"","label":"","group":"8a3c0162.4c8d1","format":"rgb","outformat":"object","showSwatch":true,"showPicker":false,"showValue":false,"showHue":false,"showAlpha":false,"showLightness":true,"dynOutput":"true","or…

Ok, i nearly have it but: When i press the Mousebutton at the "colour wheel" at the Dashboard and holt it than i can change the colours and it works fine. But when i just click on green or blue it dont work. Any idears?

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Colour Picker RGB to PWM?

Dashboard

shrickus 2 September 2018 12:39 8

Um, well, yes... shows you how much I've used that node.
But then I wouldn't actually be answering the question ;*)

LED 5050 GPIO Dashboard

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Colour Picker RGB to PWM?

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