The Si7021-A20 is capable of providing up to 14bit resolution for temperature and up to …
Continue reading
Reading 14bit from an SI7021 temperature and humidity sensor
The Si7021-A20 is capable of providing up to 14bit resolution for temperature and up to 12bit for relative humidity, over an I2C connection. However, many examples on the internet only use 8bit. I tried to …
Continue reading
A Raspberry Pi-based weather station, posting to WordPress
To finally do some hardware stuff again, I decided to create a simple weather station using one of these very small Raspberry Pi Zero modules. To publish the measurements to, I chose to use a …
Continue reading
Setting up a Raspberry Pi Zero W/WH, the headless way, with Wifi and VNC enabled
Many have covered this (at least partially), but here’s my ultimate, minimal, quick guide to all the necessary parts, using a Linux box. Use the given commands in a Linux bash terminal. Get the image …
Continue reading
LineageOS on a Samsung Galaxy Tab S2 9.7 Wi-Fi (2016)
Steps to install LineageOS on a Samsung Galaxy S2 Tablet
Continue reading
Try .NET (from your Browser)
Just the other day, I learnt that .NET can now run in a browser (which got me flashes of silver light… but this time, it’s something else): It’s some kind of a sandbox, that executes …
Continue reading
Getting rid of all the bloatware – on a SONY Xperia X Compact.
In a recent release of the german c’t magazine, under “Schlanker Roboter” they described the process of getting rid of the many bloatware that comes along with Android Smartphones today. I went with the method using …
Continue reading
Defecting from Samsung (Android) to an Apple iPhone
The longest time I have been a happy Samsung phone user, currently with the S4 mini, and liked the ability to flash custom ROM’s like CyanogenMod and it’s sucessor LineageOS. However, having a hard time …
Continue readingWordPress for Kids
How to simplify and secure a WordPress installation for kid’s use? This guide focuses on privacy, security and ease of use. Thus secure access is enforced, a login is required and some UI sugar will …
Continue readingPublishing a CSS User Style as Firefox Extension
To provide the FocusFinder User Style to Firefox users that do not have the Stylish or Stylus browser extension, I want to create a simple Firefox extension that just applies these CSS rules. How easy …
Continue readingAn embeddable single file QR code generator
As HTML/CSS/JavaScript exercise I created* a QR code generator, which is embeddable into any website. It’s even usable offline, because it’s just a single HTML file. Try it And here’s how you embed it, using …
Continue reading