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Projects

chording bluetooth keyboard

Wearable computing is much older than Google glass, and even head mounted displays were around for a while. Personally, I’m looking forward to affordable devices of that type. The display seems to be a very good solution, while voice entry can be awkward. The Hak5 podcast aired an episode last year about a guy that … Continue reading »

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BitCoin mining pools

As stated in an earlier post, after I was mining for a few days, the 50btc mining pool was hacked. A month later, I’m still waiting for my coins. So I tried some other pools. As advised in many places, I avoided the biggest pools, thus mitigating the risk of a 51% attack. I mined … Continue reading »

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trading agents

I always considered finance and accounting as the most boring things you can do with a computer. And while you can earn big bucks, working for a Swiss bank, I have always preferred topics with a more physical background. But BitCoin got me interested in how some aspects of the established financial systems work. Looking … Continue reading »

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Mining BitCoins

Today I read an article called “Why you should care about BitCoin” with a quote that I want to repeat here:  “Hackers are the animals that can detect a storm coming or an earthquake. They just know, even though they don’t know why, and there are two big things hackers are excited about now and … Continue reading »

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sniffing i2c with the BusPirate

I received my BusPirate v4 a while ago, but didn’t really use it so far. That’s a cool analysis/debug tool for serial buses such as uart, spi, i2c and the like. For me i2c is the most interesting. From time to time, the communication doesn’t work as it should, and so far, I worked it … Continue reading »

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AtTiny Advent Wreath

An advent wreath in late spring, you ask? Yes, the timing is a bit off, and that’s not just because the coldest spring in ages has not finished yet. While browsing for the topic of my last post, I discovered a nice little one-evening-project: Geeky advent from tinkerlog. I had all the required parts here, … Continue reading »

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AtMega breadboard header

A while ago, I ordered some AtTiny breadboard headers from tinkerlog.com. Unfortunately, they didn’t have any boards for AtMega’s left. The ones for the AtTiny’s are very handy, and I used them whenever prototyping something with an AtTiny. In fact, I used it almost whenever flashing an AtTiny. Many times I wished I had one … Continue reading »

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Jaguar headliners repair

Remember the Asterix & Obelix comics, and that the only thing they feared was that heaven would fall on their heads? That happened to me lately. But it was not as bad as that might sound. Well, the joke doesn’t quite work in English. In German, we call the headliners of a car “heaven”. Last … Continue reading »

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Variable fan speed for the camper

The T3 VW camper vans came with a three step fan speed switch. Maybe it broke just like that, or maybe it was due to the kids playing with it endlessly. No matter what, the broken switch was a good opportunity for an upgrade. I ordered a 15A PWM motor speed controller which I thought … Continue reading »

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tinkering with the kids

This Easter weekends the weather was really crap, so we stayed home. We had lots of time to spend with the kids, and we all enjoyed that. The boys are still a bit too young for the projects I usually do, but we just did our first electronics lession.. Even if Levin didn’t fully understand … Continue reading »

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