The return of ex-president: Krypto-Kekkonen

Visual cryptogrphy hiding piece of history

Visual cryptography that hides a piece of history

Due to recent events in world politics, I decided to take a look back and make an implementation of 3D-printed visual cryptography. There were some challenges as original model was designed for printing onto overhead transparencies, which are pretty much obsolete tech today.

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Temperature-humidity-light meter – for kids, you know.

Thermo-hygro-light-o-thingie

Thermo-hygro-light’o-thingie

In the series of don’t-we-already-have-more-than-enough-of-these-gizmos: Today I made a simple power conscious cloud-connected weather sensor. While the design itself is trivial, it seems that ready-made devices available seriously lack in connection options and customisability – while doing something like this is a simple matter of programming™.

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Turning a wall clock to smart one, what does it take? – Part 1

 

Wall clock with electronics in back. Below motion sensor without casing.

Ikea wall clock with electronics installed to backside. Below motion sensor without casing.

It is 2016 and we are about to have flying cars soon, it would about the time to start turning old non-smart objects to smart ones. How would one make a wall clock smarter, say by an epsilon?

For long I have played with the idea on turning the most mundane objects into something completely different – so when I saw  ¢ 50 Ikea RUSCH wall clock, made from semi-transparent plastic I knew it would be an opportunity to add some oddball functionality there. Ikea tuning it is, lets start putting the steroids in.

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Fireworks in xmas tree, why not!

Here in KL fireworks are almost dai^H^H^H nightly fun at this time of year (new year, Chinese new year, birthday party, wedding – you name it, there is probably good reason to fire off a shell or two).

In the spirit of New Year and those tons of fireworks exploding out, and in the spirit of  over-the-air updates and in the spirit of reusing existing designs – I coded rudimentary fireworks emulation onto my xmas tree LED strip. Continue reading