Why another PDP11/70 project to run an emulated replica? Just because the PDP11 series of computers built by DEC (Digital…

Emulation of the Space Invaders Arcade Hardware
The Invaders Emulator runs the arcade ROMs on simulated arcade hardware. Motivation and why just another SI emulator?SI has been…

HGammaCam
The HGammaCam application makes use of CMOS cameras to detect ionizing radiation (e.g. gamma rays). Especially cameras that provide RAW…

HSpectralyzer
The HSpectralyzer has been developed to analyze star spectra acquired by spectrographs using transmission or reflective gratings. A good example…

Portable SkyGuider Setup
In contrast to the regular telescope this setup is really extremely portable but a bit limited.No cooling, amp glow and…

Regular Telescope Setup
The following telescope setup has been built to do regular astrophotography in a portable environment. Well, it should be easily…

Gamma-Ray Spectroscopy – Part 2
In the 1st part of the arcticle series the components of a gamma-ray spectrometer have been discussed.The 2nd part focuses…

Gamma-Ray Spectroscopy – Part 1
A Multi Channel Analyzer (MCA) is able to split up the different energies of gamma radiation into spectral lines to…

Part 2 of the 4 Channel Geiger Mueller Counter for Low-Dose Long Term Measurements
The conclusion of part 1 (4 Channel Geiger-Mueller Counter for Low-Dose Long-Term Measurements) ended with the statement that a precise…

4 Channel Geiger-Mueller Counter for Low-Dose Long-Term Measurements
The project has been born from the idea to revive an old Geiger-Mueller circuit built in the 80s by the…