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Henri “Ketturi” Keinonen
11 followers -
Electronics enthusiast, photographer, jack of all trades, master of none
Electronics enthusiast, photographer, jack of all trades, master of none

11 followers
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I got my radio amateur license and call sign OH3EYB

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Designing and building ceiling light

Tampere Hacklab has ongoing design contest for lamps. I participated in with this Asian lantern styled lampshade. My design points for lamp were to be able easily lasercut and construct it from plywood, and to incorporate some sci-fi themed elements.…

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Sunrise lamp add-on for nixie alarm clock.

Finnish winter days are dark and cold. The sun rises only for short moment, and even then it is often cloudy, or the sun is so low that it can rarely be seen. A circadian clock is synchronized with daylight changes, and so without external stimulus from…

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