Tinkerlog

Yay, here is my second article, this time published in the famous Elektor magazine. It’s about the synchronizing fireflies.

I met Jerry at last years HAR2009 and we chatted about the fireflies and all things electronics. He works for the Elektor magazine in the Netherlands and asked me, if I would like to publish an article [...]

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Last weekend, a small group of tinkerers of Palo Altona built a MakerBot Cupcake CNC. Simone and Christian from Good School bought the MakerBot and asked Palo Altona for assistance with the assembly. Of course we were happy to help out.

We startet on Saturday and made good progress. We assembled the CNC and the extruder [...]

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This is a Pong clock for your Android phone. It tells the time by playing Pong against itself.
Sander Muller came up first with the idea to have a Pong Clock. A really great idea and a fantastic device. Then lately Lady Ada designed a wonderful hackable clock platform, called MONOCHRON. The first implementation on the [...]

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For my latest projects I used a lot of single cell lipo batteries. They are really nice. High power density, low self-discharge, no memory effect and they can deliver quite an amount of current.
But lipo battery handling is a bit more complicated as with other rechargeable batteries. You have to take care of under voltage [...]

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While we were at cheating, here is a new sticker for your notebook. It helps you to read and learn resistor values.
The first 10 direct messages to me will get one for free. And of course every next order at the Tinker Store will include one of these.

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The last couple of weeks I have been busy to put up a store for my kits and now I am glad to announce the one and only Tinker Store. The very first two kits are the Programmable LED and the Synchronizing Firefly. Along with the kits I did very detailed step-by-step instructions on how [...]

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This is for Mac OS X only, sorry folks.
I saw the funny command line interface to speech at Nerdlogger. Try this to play some tunes:

say -v Cellos “Dum dum dum dum dum dum dum he he he ho ho ho fa lah lah lah lah lah lah fa lah full hoo hoo hoo”

If you are [...]

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Thilo and I have been in Berlin for the last three days from 27th to the 29th, attending to the 24c3. It has been the first time for me beeing there. The 24c3 is one of the biggest events in Germany and Europe where geeks and hackers get together to talk, to hack and to [...]

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