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Kids MP3 Player / Build your own Radio

Looking for a beautiful and individually configurable MP3 player for my little daughter, I quickly came across the children's MP3 player called Hörbert (available at German Amazon-Store). A very nice device, well made and actually exactly what I was looking for - but a bit too expensive (about 200,- EUR / 230,- USD) for my … Continue reading "Kids MP3 Player / Build your own Radio"


Yoga exercises - also as a supplement to karate training

The word yoga comes from Indian and means "unity" or "harmony". Yoga and related yoga exercises are used in many different areas. From mental training, relaxation exercises, meditation to physical training, holding exercises to strengthen the muscles to yoga therapy to treat physical complaints such as back pain. Yoga sees itself as a holistic exercise … Continue reading "Yoga exercises - also as a supplement to karate training"


Trading-Journal: Crypto Trading Bot for Kraken

Every halfway professional trader should of course keep a trading journal to record his trades and to be able to evaluate them later. Some good trading software offers already integrated solutions, but that didn't stop me from programming my own software for our Project Smart-Trading-Systems.de and connecting it to our trading system. In addition to … Continue reading "Trading-Journal: Crypto Trading Bot for Kraken"


Guitar holder for the wall from the 3D printer

Guitar holders for the wall or guitar stands are a nice thing, especially if the collection of musical instruments grows over the years. Personally, I like wall mounts quite well, because they not only create elegant storage space, but are also a real eye-catcher. Acoustic guitar, electric guitar, bass, banjo or ukulele give the room … Continue reading "Guitar holder for the wall from the 3D printer"


Martial arts and mathematics

Many basic principles from mathematics, physics and biomechanics can be found in the different martial arts and of course also in karate. This is mostly about power and energy transfer during shocks, kicks and levers or about angle information e.g. when changing direction within a kata or the correct execution of a technique (correct flexion … Continue reading "Martial arts and mathematics"


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3D Printing - 27 Inch iMac Stand Repair

As already known for a long time, the stand of the iMacs (27 inch) from 2012 to mid-2014 is often broken. With these models it happens (not all of them) that the hinge is worn out and the screen position can't be changed anymore or, as in my case, the screen constantly tilts forward. 3D … Continue reading "3D Printing - 27 Inch iMac Stand Repair"


Telegram Messenger and the Bot API

Telegram is basically a messenger similar to Whatsapp or Threema , free and easy to use. I don't want to say that it is better or worse than other messengers, but I like the Telegram Bot API so much that I want to write a little tutorial here. Table of contents:Using Telegram Messenger and the … Continue reading "Telegram Messenger and the Bot API"


Program your own Screen Recorder / Capture Software

While searching for an easy to use screen recorder tool, I stumbled across all kinds of free and paid software solutions. From my point of view, pretty much all of them were either completely overloaded, difficult or complicated to use. Others were just expensive in relation to the functionality. My conclusion: Program yourself! Table of … Continue reading "Program your own Screen Recorder / Capture Software"


My new 3D printer and housing from Ikea side table

I had the intention to buy myself a 3D printer ages ago. However, this project failed until the end due to bad reviews I had to read about various models and their price-performance ratio. This changed when I discovered the at Amazon. This is rated almost completely positive and was reduced from 499,- to 399,- … Continue reading "My new 3D printer and housing from Ikea side table"


Build a wooden platform and playhouse for the children's room

Multifunctional play platforms are popular elements for interior design, not only in day-care centres, but also in the children's room at home. Platform combinations and entire platform landscapes are available in all possible variations, shapes and colours. On the one hand these children's platforms offer opportunities for discovery, play, sliding, crawling and climbing, but on … Continue reading "Build a wooden platform and playhouse for the children's room"