The capstan equation
3 mins
A summary on how to derive the capstan equation describing the friction of a rope on a bollard, winch or a capstan
Recipe how to recover Jenkins plain secret text credential via the web user interface
1 min
This short recipe explains how one can recover a Jenkins secret text credential directly using only the web interface
A short story of the migration process for The-Things-Network v2 to v3
8 mins
This article is a mini summary of the steps that have been required to migrate from the v2 to the v3 stack of the things network, a community driven LoRA-WAN backend solution.
Writing daemons in python
4 mins
Mini (really short) summary of one way as well as a recipe on how to write daemons in python
Building a simple 6 kV DC power supply
9 mins
Short summary on how to build a small 6 kV power supply using an 2.1 kV microwave oven transformer, two of the accompanying capacitors and a bunch of diodes that is capable of delivering a little bit more than half a kilowatt of power
A simple OpAmp photodiode readout circuit
15 mins
A short summary on the workings of photodiodes, how one can interface them to simple electronics and a simple amplifier circuit
Controlling Pfeiffer Turbopumps using RS485
25 mins
Pfeiffer makes great turbopumps but sometimes you want to log information or control them from an existing control system. Out of this desire I played around with the RS485 protocol used by Pfeiffer and wrote some simple unofficial tools - that's what this blog entry is about
Why one should use version control like GIT or SVN for nearly everything
9 mins
This is an opinion article on why I think one should use version control systems such as git or SVN for everything including writing tasks for thesis, books or articles as well as websites and other stuff in addition to software development.
How to create your own Python packages
8 mins
A mini introduction and summary on how to create own Python PyPi (pip) packages
The AD7705 dual channel analog digital converter with AVRs
17 mins
Mini summary on how to use the AD7705 with Atmel AVRs
