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DiY Aritificial Sunrise (Patreon)

Published:
2018-07-05 16:37:02
Imported:
2026-11

Content

Hey... this is the video I made for electromaker. It's somewhat similar to my old home automation video. It just replaces the HTTP based communication by MQTT.
I'm currently working on the video on the audio add-on to this lamp. Since many of you liked the home automation stuff I'll make some detailed videos on the stuff I've used there.

What I realized late in the project is that the RGBW strips are more suitable for that use case. The RGB are not very bright and the esp32 is better for the audio processing. So I have to revisit the lights on my channel anyways :-D

Files

DIY Artificial Sunrise

A simple build of a sleeping room lamp which can wake you up with an artificial sunrise. The color and brightness can be controlled remotely. All resources can be found on the Electromaker project page: https://www.electromaker.io/project/view/artificial-sunrise-lights MQTT Server installation: https://youtu.be/OOqS8fhd6ck Node.RED setup: https://youtu.be/GeN7g4bdHiM Check out bitluni's lab for other stuff from this maker: https://youtube.com/bitlunislab Electromaker board guide: https://www.electromaker.io/board-guide Please share and subscribe.

Comments

Morten Hanasand

Snap! This is almost identical to a project I'm planning, only I was planning to use a wall mounted, window sized diffused panel. I have actually managed to get 1000 WS2815 chips which run directly from 12V, if funds allowed, they would be interspersed with yujiLED bi colour high cri leds.

bitluni

You Sir just blew my mind.... it's the first time I read about the WS2815... the 5V power is a pain in the ass with the WS2812b. The PCB traces are always overloaded and the PSU demands too high. For a really good sunrise real amber is missing. The green is very dominant. Even for me (almost green blind).

Morten Hanasand

I haven't actually tried them yet, because I ordered them ages ago for an LED cube project, but they were still in prototype stage so they only arrived a couple of weeks ago and I decided to use sk9822 for that because they can be driven by spi up to 30mhz

Morten Hanasand

If I get time over the weekend I'll try and solder up a few of the ws2815 and do a subjective comparison with the ws2812b of the colour rendition.

Morten Hanasand

On a complete tangent here, I wonder if you could use displaycal and a monitor colour calibrator to build a colour profile for rgb leds...

bitluni

sk9822 sound interesting for big installations like video walls

bitluni

Color calibration sounds doable. I'd rather use a diffraction grating for that

Morten Hanasand

Yes I think they use them and the apa102 a lot for video walls, I'm hoping to drive my LED cube with animation from houdini so it needs fast updating, I have to make the bloody thing first though hah and it's still bloody 5v, might use a 24v laptop style adapter and a beefy buck converter to keep the unit less bulky.

123

Another cool project! Well done bitluni!

bitluni

Couldn't reist to make it good... this takes soo much time 🙈

Ristomatti Airo

The FastLED library wiki gives the impression they've put some effort in the color correction (specifically mentioning the green color issue). Maybe there's some useful tricks to learn from their code? I found the wiki in general an exceptionally well written one, lots of useful color theory. The page on color correction: <a href="https://github.com/FastLED/FastLED/wiki/FastLED-Color-Correction" rel="nofollow noopener" target="_blank">https://github.com/FastLED/FastLED/wiki/FastLED-Color-Correction</a> Also thanks Morten for the WS2815 tip, had not heard about it either!

Ristomatti Airo

Only just watched this. I have already invested a lot of money to light the whole apartment with LIFX bulbs and LED strips but have been thinking of building a dedicated controller for them. I've hooked them to Node-RED of course and use the relatively cheap Philips Hue Dimmer switches to control the brightness and for toggling. The LED strip mounting idea and detailed build instructions were very useful, great work! BTW this level of detail and pace was pretty much spot on with what I was referring to on my comment to your previous post. :)

Morten Hanasand

Cool, thanks! Will check it out, I've used FastLED in the past, but not really looked too deep into the code.