Author Archives: Admin

Tip, upgrading (and fixing) older laptop/computer

One can improve the performance by adding more memory and by replacing the disk drive into a faster one. One does not have to be a specialist to be able to perform these activities, but these activities do require that … Continue reading

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Air turbulence is clearly visible on full moon video close to horizon

This is my first video from the second hand skywatcher maksutov 150/1800 telescope, which I bought. This OTA (Optical Tube Assembly) came with an old Celestron AS-GT (CG-5) mount. For the moon photo, I used a manual skywatcher EQ5 mount… … Continue reading

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DIY CCD camera to Finder scope adapter

I bought a second hand telescope which came with a CCD camera ASI120MC and I will try to use this camera for autoguiding by adapting it to an old finder scope . I managed to get a 50/30mm rubber adapter … Continue reading

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DIY eyepiece to EOS lens adapter

For some time I have been thinking if it is possible to re-use the camera lenses for something else, or with some other camera/detector. And I found some plastic adapters which one could print with 3D printer, eg. this. As … Continue reading

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Discussion topic, short definition for security?

If you would need to explain security in an easy way, how would you define it? I came up with 2 definitions. What is security? “Trying to influence people to take right decisions on complex things while using layman’s terms” … Continue reading

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DIY filter adapter for a camera lens without filter thread

Some camera lenses like Zenitar 16mm (F2.8) do not have a commonly used filter thread at the front of the lens. However, it is possible to make your own adapter. An easy non-destructive way is to used filter adapter rings … Continue reading

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Touchscreen on Raspberry PI, to show key performance data

A tiny touchscreen on portable Raspberry PI (RPI) might be very helpfull for showing sensor values or key performance data like memory, CPU level or disk space left. My intention is to build a portable air quality monitoring tool based … Continue reading

Posted in Anvanced Tools, DIY, For Fun or Interest, Gadgets, Hobbies and Other Interests, Innovation and new tech, Internet of Things and M2M, Raspberry Pi, Tests, Tips, Tools | Comments Off on Touchscreen on Raspberry PI, to show key performance data