-
CW Skimmer in Docker
Running CW skimmer under Linux is possible using wine. Why stop there? Using docker and noVNC it is possible to run CW skimmer headless with HTML5 interface. The sources can be found in this repo. Even RTL SDR with hermes simulation can run in docker, too using this repo. So now we have CW skimmer and RTL SDR running in containers completely headless under Linux. …
-
Moved to Jekyll
The old blog from Wordpress has been moved here. …
-
WSPR in Docker
For receiving WSPR I use a FiFi SDR with a simple loop antenna. The WSPR software is running with in a docker container with HTML5 VNC support: docker-wsjtx. …
-
DeLonghi N90 with OpenHAB and Raspi
Do you want to connect your air conditioning system (DeLonghi) into your smart home system? With a little effort it is possible to reverse engineer the IR remote control protocol and implement a software adapter. …
-
Hangboard
Why a universal smart hangboard? Nowadays smart hangboards are becoming more and more popular. And there is a growing market for commercial products (they are expensive). All existing hangboard training apps have limitations (i.e. payed subscriptions, limited to specific hangboards, buggy, sketchy to create new or custom training plans). …
-
DIY Moonboard
During the first lockdown all climbing gyms were closed, so I took the time to build a home climbing wall. Using a raspi and a couple of LED strips it is possible to build a moonboard compatible wall using open source software. …
-
Building Garmin Maps
Recently I have created Garmin maps containing cave locations based on OpenTopoMaps. These maps contain height lines and custom POIs of caves. They can be used both on Garmin devices and Oruxmaps (on Android). A Makefile for Garmin maps is provided in this Repo. …
-
ELM 327 OBD 2 WiFi Adapter - What is inside?
What is inside this OBD 2 WiFi Adapter? …
-
Einfuhr von Amateurfunk-Bausätzen nach Deutschland
Führt man einen Amateurfunk-Bausatz nach Deutschland ein (z.B. durch Postsendung aus den USA), kann der Weg zum Zollamt fällig werden. Für Amateurfunk-Bausätze ist (A) kein Zoll, (B) kein CE Kennzeichen und nur Einfuhrumsatzsteuer notwendig. Hier fasse ich die Fakten zusammen, die mir bei der Einfuhr bisher immer geholfen haben. …
-
Lightify Lampen mit Hue verwenden
Für den Preis einer Hue Lampe sind zwei Lightify Lampen zu haben, doch das Hue System ist verbreiteter… Wie lässt sich eine Lightify Lampe in ein Hue System einbinden? …