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How to make system pick a random colour on RGBW light

Attila Hajdu shared this question ago

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Hi Everyone. I need an advise.

1. I have a rule, where if I switch the virtual switch on, the RGBW bulb changes it's colour to green. If I switch off, it goes back to white.

Now, how to make the colour to be a random and not fixed green?

Imagine, virtual switch is like a scene, if turned on, I have a random colour in the room. When off, goes to full white.

Any idea?

2. Also, how can you set up continuous dimming effect from 100% to 20%?

If I would turn a virtual switch on the light would slowly dim to from 100% to 20%, and if turned off from 20% to 100%. Time to dim lets say 5 seconds...

Any idea?

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Replies (7)

Marius ●

There is a "Random between __ and __" puzzle in the Variable secition, but since your light is using hex values, I don't think you could use it (easily).

You might be able to use it like this:

if (random_value == 1)

HexString = "ffffff"

else if (random_value == 2)

HexString = "fffff0"

else if (...)

...

action setRGBW -> HexString

..in theory, at least.

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Attila Hajdu ●

Hi Marius,

Thanks for the info but surely there is an easier way to do this.

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Marius ●

Hi, Attila. Is there an easier way, or do you think there must be an easier way?

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Darkwing ●

I would try something like this:

77d38b51c33883083ad573902e989e54

then you can fill in your color range in the two fields of gotovalue

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Attila Hajdu ●

Will give it a go tonight.

Anyone has an idea on my second topic relating to dimming?

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Darkwing ●

I come up with below, not sure if there is an easier way. For increasing light just use reverse :-)

4df5d77eef601993c736ba2e675973e6

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Attila Hajdu ●

probably this is one way of doung it. I'm curious if others have different idea? Wonder if there is a simple puzzle to achieve this at all.

Imagine if you turn the switch on and after 3 seconds you turn off. The off effect would be funny as the light would dim from whatever percentage to 20% and start to go up instead of just increasing the dimming from the actual state...

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Marius ●

You could have a variable "DimmingUp" that is set to 1 when you click on and set to 0 when you click off. You would then have to test this variable for each dimming step (between the one secons wait). You will also proably need a refresh puzzle.

BTW: Take a look at the Repeat puzzle. Together with a Increment/Decrement puzzle, you should be able to make the rule more tidy.

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acteck ●

This device is not very good implemented. To get a specific colour you have to adjust each color seperately. And sometimes you will get some strange colors. Dimming time you can change in the advanced parameter section.

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Guest ●

Is that a Fibaro RGBW Modul? If yes it's look wrong. In my case it looks so:

/408b12efdf77a9b519c6eba91548a505

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