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WELCOME

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.

If you like what you see, you can subscribe to the RSS feeds for the Blog Posts
and Links.

 * Github repo maxvfischer/DIY-CNC-machine
 * RSS Discovery Engine
 * Github repo revarbat/BOSL2

Syncmaster 2443BW Repair I own two 24“ 2443BW Samsung screens from 2009. They
still use DVI instead of HDMI but otherwise they are perfectly fine monitors.
That is until yesterday, when one of them suddenly turned off and refused to
show any sign of life.… ▶

Noise Cancelling Headphones compared While the pandemic isn't over, it seems to
have become somewhat manageable for now thanks to vaccines. And that means that
occasional office commutes become more common again. And commutes need
headphones. My old Philips Bluetooth headphones are dissolving, so I need a new
pair. And why not go a little fancier and have Active Noise Cancelling (ANC),
too?… ▶

Casa Hedgehog A while ago I took part in a study that observed wild animals in
the city. We got a automatic camera for a couple of months and could see what
animals are walking through our garden at night. I thought I had downloaded the
best photos but I cannot find them anymore. I also don't really remember when
that happened. Sometime in the blur of the pandemic… ▶

 * Something Weird Is Happening on Facebook – Political Orphans — Cambridge
   Analytica 2.0
 * Facebook is other people
 * Kids who grew up with search engines could change STEM education forever -
   The Verge — kids these days 🙄
 * Haikei — Background SVG generator
 * Github repo plashchynski/awesome-genetics
 * Github repo cicnavi/oidc-client-php
 * SVG Repo - Free SVG Vectors and Icons
 * OpenMoji
 * No More Inflammatory Jargon: Change Blacklist To Blocklist | AdExchanger
 * illlustrations - open source illustrations kit

Humidity Control with Home Assistant Our basement tends to be humid. Too much
humidity is bad. So regularly airing it is important. But when is the best time
to open a window? Answering this question is surprisingly complicated. Generally
speaking you want to exchange humid air inside with less humid air from outside.
Now all you need to know is the humidity inside and outside - question answered.
Right? Well… ▶

 * 3D Design published: ESP32 DevKit V4 Case (OpenScad) — This is a simple case
   for a ESP32 developer board. It should be easy to customize or extend.

Home Assistant again Ever since we moved into the house, my old Home Assistant
setup lay dormant. My old port forwardings in the router were missing, so it was
unreachable, many of the set up devices did not exist anymore and it was in a
really bad state overall.… ▶

 * Github repo PoppyPop/homeassistant_ecowitt
 * Github repo fluffykraken/bvg-sensor
 * Github repo custom-components/ble_monitor
 * Github repo pvvx/ATC_MiThermometer
 * Github repo gregnau/attiny-weather-station
 * DIY Funk-Wetterstation mit DHT22, ATtiny85 und RadioHead | cryCode.de
 * Programming ATtiny85 with Arduino Uno - Arduino Project Hub
 * Low cost, low power 6uA garden 433Mhz sensor with temperature, humidity
   ,hygrometer and voltage
 * Read Your Main Power Electricity Meter (ESP8266, WiFi, MQTT and Openhab) : 6
   Steps (with Pictures) - Instructables
 * (digitalen) Stromzähler mit ESP8266 auslesen - Smarthome Doku

Adam Savage Worklight Alternative Ever since I saw Adam Savage's custom
workbench LED lamps, I wanted something similar. See the video below for Adam's
version. Basically he mounted a camera flat panel LED on top of an armature wire
reinforced 3/4“… ▶

 * Github repo ibraheemdev/modern-unix

Digital Calipers Modded Like many, I own some cheapish digital calipers. And
like anyone else, I am super annoyed by the little LR44 button cell that powers
them. Or rather does not, because it seems to be always dead. So for the last
years I mostly used my old analog calipers. And once you learn how to read their
sub-millimeter measurement, they are pretty awesome.… ▶

 * Github repo nwtgck/piping-server
 * Guess the Year game.
 * Average number of languages spoken by the EU population — Italians and
   Greeks, for instance, both speak an average of 1.8 languages, but the median
   is 1 for Italy and 2 for Greece. This is because the typical Italian speaks
   one language, but those who speak a second language speak in fact usually 3
   or 4 languages overall (raising the average), whereas most Greeks speak 2
   languages, but few of them speak 3 or 4.

Vaccinated Today I got my first shot of the Covid-19 vaccine. This of course
makes me incredibly happy. So much that I was giggling to myself on my drive
home. However, that I got this shot today is also another symptom of how totally
fucked up Germany's handling of the pandemic is.… ▶

 * Why Generation X will save the web — Interesting analysis but I don't see how
   gen-x will save anything.

Workbench Upgrades I built my main workbench nearly a year ago. It remains the
most important part of my workshop and I keep improving it. I already blogged
about adding a router table and a disk sander. This blog post is about a few
more upgrades I did in the last months. Table Saw Fence Update… ▶

Workbench Storage A workshop needs storage. For tools, materials, accessories
and doodads. I'm still very happy with my IKEA Trofast system, but it has only
three sizes of containers. Sometimes you need something smaller. Or something
much smaller. And sometimes something bigger.… ▶

Older Posts are available in the Blog Archive. Keep up to date with the RSS
Feed.

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