He’s The Operator Of His Pocket Arduino

The band Kraftwerk hit the music scene with its unique electronic sound in the 70s in Germany, opening the door for the electronic music revolution of the following decade. If you’re not familiar with the band, they often had songs with a technology theme as well, and thanks to modern microcontroller technology it’s possible to replicate the Kraftwerk sound with microcontrollers as [Steven] aka [Marquis de Geek] demonstrates in his melodic build.

While the music is played on a Stylophone and a Korg synthesizer, it is fed through five separate Arduinos, four of which have various synths and looping samplers installed on them (and presumably represent each of the four members of Kraftwerk). Samplers like this allow pieces of music to be repeated continuously once recorded, which means that [Steven] can play entire songs on his own. The fifth Arduino functions as a controller, handling MIDI and pattern sequencing over I2C, and everything is finally channeled through a homemade mixer.

[Marquis] also dressed in Kraftwerk-appropriate attire for the video demonstration below, which really sells the tribute to the famous and groundbreaking band. While it’s a great build in its own right and is a great recreation of the Kraftwerk sound, we can think of one more way to really put this project over the top — a Kraftwerk-inspired LED tie.

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Kraftwerk Inspired LED Tie

If you didn’t land the job after your last interview, it might have been because you were not wearing this sweet Kraftwerk-inspired necktie. Although our own [Caleb Kraft] insists that this recent creation by the folks over at Evil Mad Scientist Laboratories is a tribute to him, [Ralf Hütter and Florian Schneider] beg to differ.

The inspiration for the tie actually comes from Kraftwerk’s 1977 video for “The Robots”, in which the band wore black ties with embedded scrolling LEDs. The effect is very similar to that of a Larson Scanner, though Kraftwerk’s ties light the LEDs in a single direction and do not fade in and out.

EVMSL has released a firmware update to the Larson Scanner they sell in their shop that replicates the Kraftwerk effect, and they also put together a quick tutorial showing how you can construct your own coin cell-powered LED tie. We’re not suggesting that anyone rush out and buy their kit, as it can be replicated fairly easily – we just thought it was pretty cool.

So, if you’re looking for a retro-inspired Halloween costume, search no further – Evil Mad Scientist Labs has you covered.

Continue reading for a video demo of their tie, as well as the original video that inspired it.

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ChipKIT Sketch: Mini Polyphonic Sampling Synth

In our hands-on review of the Digilent chipKIT Uno32, we posed the question of what the lasting appeal might be for a 32-bit Arduino work-alike. We felt it needed some novel applications exploiting its special features…not just the same old Arduino sketches with MOAR BITS. After the fractal demo, we’ve hit upon something unique and fun…

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