Der neue Digikey-Katalog ist da!
Today I got the new Digikey catalog delivered at the university. It must be the season, during recent weeks also Elfa (you remember: the company which delivers cable by the…
Fehlersuche gegen alle Widrigkeiten II
The hot wire mystery I like to build my prototype electronic circuits on perf- or stripboard after having tested it on a breadboard. Actually I would have loved to have…
Fehlersuche gegen alle Widrigkeiten I
The parallel port mystery Have you ever used or considered using the parallel port of your computer to control your own electronics project? Well, I have, and this was not…
Elektroheizung im 21. Jahrhundert?
Elektroheizungen im 21. Jahrhundert? Zumindest wenn man einer Firma Glauben schenkt...
Verzeichnisaktualisierung unter Windows 7
I am quite satisfied with the installation of Windows 7 on my laptop which I bought in June last year. However, one thing has bothered me almost all the time:…
Ein neues Soundkarten-Oszilloskop
A couple of years ago I presented a preamplifier on my homepage which allowed it to use standard oscilloscope probes on the line input of a soundcard. This small circuit…
Solare Goldgräber
For many years now solar garden lanterns have been sold. These small lamps feature a small solar cell, a rechargeable battery, at least one light-emitting diode and some simple control…