alt Hacker NewsWould be really interested in hearing how project 2 (DIY Lamp) works out. If you get it into a state that you are happy to share or go commercial.
I did see the Brighter and Rhythm lamps before but their way out of my price league.
In Edinburgh (Scotland at 56 deg N) during December, it's sunrise at 08:30 and sunset at 15:30. And there's plenty of folks at higher latitudes that may be interested as well.
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I definitely have no plans to go commercial (just started a new job, very demanding on my time), but I'll 100% open-source all the firmware/KiCAD/CAD/BOM/etc so folks can make their own.
My current "design" is basically just strapping all the pieces together, so it'll leave a lot to be desired in terms of aesthetics for folks who want it to be more nicely integrated into their living environment.
Some people use stadium lights for this, such as this[0]. They’re very cheap but they’re not specifically designed as SAD lamps so I’m not sure how well they fit that purpose.
0: https://a.co/d/0gq5loUS