Category Archives: DIY

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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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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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

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loosing weight by walking, the first 1 million steps

With the help of an Activity tracker it might be easier to achieve your weight loosing goals. These trackers take care of the tedious work to log everything. Just place the activity tracker on your wrist, and start walking… This … Continue reading

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Test, DIY tuning a piano key

I promised to “have a look” on a piano that did not sound “right” any longer; not for some time. A piano tuning professional had said that he does not know any piano with this name. After opening the piano, … Continue reading

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