Cyberattacks targeting a local power utility or end-user systems could propagate to the national bulk-power system and affect millions of people. We know that terrorists and state-sponsored actors already have the capabilities to disrupt a country’s power supply. The human costs of power-supply disruptions can go far beyond inconvenience. On 1 May, Donald Trump signed →
Tech Support Comic Strips https://www.dilbert.com/search_results?terms=Tech%20Support Bonus: http://turnoff.us/geek/how-i-met-your-mother/ →
This is a story of a a video digitizing circuit I built early 1990′s. It kind of worked, but was not practical then and much less useful nowadays. It is an interesting how simple circuit could be used for converting analogue composite video signal to digital for computer processing. This is the story of Dirt →
I used to use some external cameras like microscope and endoscope connected to my Android phone with OTG cable. Google Android documentation says that many standard USB cameras should generally work with Android: The Android platform supports the use of plug-and-play USB cameras (that is, webcams) using the standard Android Camera2 API and the camera →
There are standard USB connectors and non-standard special custom connectors in different USB cables. On those special non-standard USB connectors, I have earlier covered Reversible USB connectors that make old USB connectors (like USB A and micro-USB) so that they can be plugged in both ways (like USB type C connector). One day when I →
This posting is here to collect cyber security news in July 2020. I post links to security vulnerability news with short descriptions to comments section of this article. If you are interested in cyber security trends, read my Cyber security trends 2020 posting. You are also free to post related links to comments. →
I had one DIY laboratory power supply that has served me well for a long time, but there are testes where I need another laboratory power supply. Instead of building a traditional power supply with linear regulator and large heatsink, I went to another route: build one from switch mode power supply and adjustable switch →
Linux creator Linus Torvalds spoke about the challenge of finding future maintainers for the open-source operating system, at the (virtual) Open Source Summit and Embedded Linux conference under way this week. It’s really hard to find maintainers, says Linux creator. Maybe the damage was already done when Linus developed a bad reputation early on for →
Look, how many times have we told you to be careful what you wish for? “Wait, maybe I should really be more careful when asking James Fridman to photoshop my pic!” Because the guy is savage. Want the lamp out of sight? Disappear into the darkness. Wanna edit the dominos out of your prom pic? →
Here are two articles that could be interesting and entertaining to read. In this first article the writer uses audio analyzing tools to to debunk spurious claims made by audiophiles, HiFi journalists, and the high-end audio industry about the quality of their products. This article covers using audio analyzers and also using SDR software to →