Category Archives: Uncategorized

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

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Wireless router with 4G USB modem/dongle, by ROOTer

Previously I managed to get the OpenWRT working on a wireless router. As this router also has an USB port, I tried to get an USB 4G dongle working on it. After realizing that the solution is very much dependent … Continue reading

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Test: O365 and Azure test lab guides

Microsoft is providing 30 day trial environments for Office 365 and for Azure. These trials can be used to setup a test and development environment by following the step-by-step guides from MS. If you are intending to start using those … Continue reading

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