Warning message from my UPS: replace the batteries...
Webmin und apcupsd
As I have reported earlier, I decided to run webmin on my new server. I have also reported about my UPS which keeps my server running whenever Vattenf*ll fails to…
Knight Rider ist zurück
Now I am completely sold to AVR microcontrollers. ATMEL's free software seamlessly interfaces to the also free AVR-GCC C compiler and it is really easy to get started with the…
A rose chafer or cetonia aurata
Käfer mit sechs und mehr Beinen
Today was the first really sunny day this spring in Uppsala. Reaching 25°C I spent a large part of the day on my balcony where I was visited by a…
Neue Batterien
Today I finally managed to get the four new batteries for my UPS unit. Now everything is green again:
Mein Server - und kein Ende
I thought this was it - well it wasn't... This weekend I put everything together again: the server and all four harddisks (one system hdd and three data hdds in…
A Tesla Roadster in Uppsala
Ein Besuch am Ångströmlabor?
Yesterday I just wanted to fetch a manual at my office, when I saw a rare visitor at the Ångström laboratory in Uppsala. At first it looked like a normal…
Ein neuer Server
My old server Last weekend my personal server at home broke down after more than four years of continuous operation. This server used to occupy the big tower case in…
Licht für das Energihuset
Today I designed a solar-cell powered LED lighting for a model of the planned energy education centre Energihuset in Uppsala. The model was built by Nyréns Arkitektkontor and equipped with…