- About Kitsune Denshi
- Electric Items
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Who doesn't like advent calendars? Even if one doesn't celebrate Christmas or tries to shield oneself from the festive season as much as possible, there is something special about advent calendars. I think it's the counting down towards an arbitrary goal, a new surprise (maybe chocolate!) every day and of course the objectification of anticipation. A bit like obsessively following the tracking information on a package, when you think about it.
At some point in late November 2015 a retina-searing LED arms race (sparked by some harmless albeit woefully underpowered Christmas decorations) was well under way in the office. This almost naturally led on to building an LED advent calendar, so that the combined joys of advent calendars and LEDs could be shared with my colleagues.
Unfortunately, as mentioned above, December was already looming on the horizon, so a decision on exactly what kind of LED advent calendar should be constructed and procurement of components had to proceed with the greatest haste. The following is a day-by-day account on the development of the luminous advent calendar:
No hacky project would be complete without the application of a Dymo label.
After carefully thinking about what it is that makes advent calendars exciting for me (doing something, getting a surprise, building up towards something), I came up with the following concept that consists of:
The calendar starts off with all LEDs turned off. When the button is pressed, a random LED turns on (and remains on). Each additional push of the button turns on an additional LED, until all 24 are lit after 24 days.
As always, there are a few complications: