splitbrain.org

electronic brain surgery since 2001

Hi, I'm Andreas Gohr and splitbrain.org is my website. I'm a web developer and maker living in Berlin, Germany. If you're new here, feel free to check out the blog posts and links below.

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Electro Etching For same project I made the book for, I also needed some tokens. I recently had learned about electroetching, so this was a good time to give it a try. " Electroetching is a metal etching process that involves the use of a solution of an electrolyte, an anode, and a cathode.…

DIY Book For a project I'm working on, I needed some kind of “monster manual” referencing the Cthulhu Mythos universe. So I spent a few days with making one. It's not the first time, I made a book. About 20 years ago I made a small book of my own short stories and poems. But back then I had to figure it out mostly by trial and error. This time I had YouTube to guide me…

100% less Tentacles Unless you're reading this in a Feedreader (excellent!) or you're completely new here (welcome!) you will notice that everything looks different. Only ten years after the last redesign, I made a new look for this site. To be honest, I am quite surprised about what I ended up with. It seems more hipster than I thought myself to be 🙃.…

RetroPie Revision 2 Not too long ago I built a Retropie based console. It was small and portable, but it still required an HDMI enabled TV or projector. And sometimes you will go places where that is not available - on a 3 week camper van vacation for example ;-). So during the last weeks I revisited the project to make it even more portable by adding a screen and builtin speaker.…

Shower Thought So, here's a literal shower thought that I have to get out of my head. …

3D Printing Q&A When people hear that I own a 3D printer they have questions. Usually exactly the same few. So why not answer them here? Pictures at the very end. …

One-Mix Yoga 2 I'm a big fan of tiny portable computers and still fondly remember my EeePC. Unfortunately the NetBooks fell out of fashion again and for a long time it was hard to get any really small laptops. But it seems the genre is coming back under the name…

Making the Fire HD 8 Work The Android tablet market is not what it used to be anymore. There used to be a huge selection of tablets to choose from. But nowadays the selection is slim. When my trusty Asus' battery failed, there wasn't much choice. Since I also was a bit short on cash…

RetroPie Over the last few months I worked on a little Raspberry Pi project. It took so long because I ordered stuff from China and it all took a while to arrive. And because of bad planning I did not order everything at once... So what does it do? It's a mini game console similar to the…

DIY "3rd Hand" Soldering Helper I'm currently working on a Raspberry Pi project and that needed some soldering. But holding the Raspberry, the wire, the soldering tin and the soldering iron isn't easy with just two hands. So it was time to get a “…

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