Archive for August 2020

Short circuit protection relay circuit fail

I saw at Facebook a video 12 v Short Circuit Protection and same for 220 volts ( It was advertised as a short circuit protection relay circuit that will turn off the power when output is short circuited. This seems to be a quite popular circuit idea, because I saw several very similar circuit designs

Friday Fun: CPU thermal paste substitutes tips

Thermal paste has vital importance, even if many people do not realize how useful it is. On the web, you can find many alternatives to the thermal paste. This article has test comments on several alternatives, which many of are edible snacks. The article mentions: Cocoa and hazelnut spreads, butter, Ketchup, mustard, American cheese, Yellow

Stingray and Hailstorm

Security researchers say they have developed a new technique to detect modern cell-site simulators. Little is known about stingrays that exploit flaws in the way that cell phones connect to 2G cell networks, because they are deliberately shrouded in secrecy. Most of those flaws are fixed in the 4G networks, though not all. Newer cell

Cyber security news August 2020

This posting is here to collect cyber security news in August 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.