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This posting is here to collect cyber security news in February 2021. I post links to security vulnerability news to comments of this article. You are also free to post related links to comments. →

Nothing is more difficult than making predictions. For this reason I did not do any “predictions for 2021 cyber security” posting before year 2021 started. Instead of trowing out wild ideas what might be coming, I have collected here some trends other people have predicted or reported. The State of internet security in 2020 was →

I was pretty actively in making the Assembly computer festival event and the live TV broadcasts made them in the late 1990′s and early 2000′s (and still somewhat in some later years). Here are some tricks learned on that era: Triax cables are used in TV broadcast industry for TV camera interconnections (connecting camera to →

Interesting new micro-controller board and custom chip from Raspberry Pi: Raspberry Pi Pico. Pico provides a single push button, which can be used to enter USB mass-storage mode at boot time and also as a general input, and a single LED. It exposes 26 of the 30 GPIO pins on RP2040, including three of the →

50 years ago: The WORLD’s first computer music player was completed in Finland 21 January 1971. The machine was developed by inventor Erkki Kurrenniemi with the help of a Sitra grant. Historia|HS 50 vuotta sitten 21.1.1971 Suomalainen teki sävellystietokoneen article says: The music machine Dimi is a leading invention in its field, it will also →

This posting is a collection on trends and predictions for year 2021. The year 202 was grappled with fear of infection, incredible loss of loved ones, financial stress, isolation and fatigue from constant uncertainty to name a few. Many people expect that 2021 will mark a turning point. Heading into 2021, technology — both new →

For decades, CES® has marked the start of a new year, setting the tone for the industry with inspirational innovations and influential insights. This year CES 2021 was a digital venue showed newest innovation in consumer electronics. It had some 1900 virtual booths, several peripheral product showcase. Here are some links to reports on the →

Error-correcting code memory (ECC memory) is a type of computer data storage that can detect and correct n-bit data corruption which occurs in memory. ECC memory is used in most computers where data corruption cannot be tolerated under any circumstances, like industrial control applications, critical databases, and infrastructural memory caches. ECC protects against undetected memory →

In electronics, desoldering is the removal of solder and components from a circuit board for troubleshooting, repair, replacement, and salvage. There are many techniques how to desolder. Check out videos How to Desolder Through-Hole Parts, Why Some Joints are Difficult and Desoldering Components – Tips and Tricks. Desoldering tools and materials include the following: Solder →

A grid-tie inverter converts direct current (DC) into an alternating current (AC) suitable for injecting into an electrical power grid, normally 120 V RMS at 60 Hz or 240 V RMS at 50 Hz. Grid-tie inverters are used between local electrical power generators: solar panel, wind turbine, hydro-electric, and the grid. They range from small →