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Moving Blog

Dear Readers,

finally we got our own domain Mainly to create a geocaching blog (at the moment, there is no content – just a fresh wordpress installation). But I will move this blog, too. The new blog can be reached with

Feel free to update your subscriptions; I would be glad, if you will follow me in the future on the new site.

best regards

2014 in review

The stats helper monkeys prepared a 2014 annual report for this blog.

Here’s an excerpt:

A San Francisco cable car holds 60 people. This blog was viewed about 1,900 times in 2014. If it were a cable car, it would take about 32 trips to carry that many people.

Click here to see the complete report.

Adafruit NeoPixel Ring, some documentation

Last weekend the MakerFaire Hannover 2014 took place, and the Arduino Group Hannover attended the Faire. Again Watterott was one of the exhibitors – it was clear, that this will be an expensive weekend😉.

One of the things I bought was the NeoPixel Ring from Adafruit – a very nice toy!

In this article I will extract some of the documentation in the original neopixel library, so that I (and perhaps you) have it in one place without the disturbance of the actual code.

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MakerFaire article on

I’ve written a short article (in German) for the blog of the Arduino Group Hannover.

MakerFaire Hannover 2014

Addendum to the last post: Philip Steffan from c’t-Hacks (the organizers of the MakerFaire Hannover) took some photos of Admiral Ravensdale and me.

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MakerFaire Hannover 2014

This was a exhausting, but very inspiring and funny weekend at the MakerFaire Hannover 2014. We had a lot of good discussions at our booth and with other makers.

Some random impressions after the break

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Elsie on MakerFaire Hannover 2014

The British artist Paka brought is fire-breathing dragon Elsie and his iron horse to the MakeFaire Hannover:



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