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All about electronics and circuit design

Suomi Finland 100 years

http://suomifinland100.fi/info/?lang=en Finland became an independent state on 6 December 1917. The newly born state was willed into being by the Finns after a long struggle. In spite of hard times, the Finnish people have for almost a hundred years engaged in the building of their country and making decisions together.   http://suomifinland100.fi/news/world-congratulates-100-year-old-finland-lighting-blue-white/?lang=en

Entering the Quantum Era—How Firefox got fast again and where it’s going to get faster

https://hacks.mozilla.org/2017/11/entering-the-quantum-era-how-firefox-got-fast-again-and-where-its-going-to-get-faster/ Over the past seven months, Mozilla developers have been rapidly replacing major parts of the engine, introducing Rust and parts of Servo to Firefox. Plus, thety have worked on performance issues, both obvious and non-obvious. This newly released Firefox is called Project Quantum. This posting goes through the biggest changes to Firefox browser.

Circuit breakers for mains panel

A circuit breaker is an automatically operated electrical switch designed to protect an electrical circuit from damage caused by excess current, typically resulting from an overload or short circuit. Its basic function is to interrupt current flow after a fault is detected. In small mains and low voltage circuit breakers, fault current is usually done

Learn just enough Linux to get things done — petralia

http://alexpetralia.com/posts/2017/6/26/learning-linux-bash-to-get-things-done The notion that “you can only be good at one thing” is not a roadmap to mastery but rather a prescription for premature optimization. You can only know what you’re good at once you’ve sampled a lot of things - and you may just find that you’re good at a lot of them.  The Windows ecosystem

Motor protector teardown

Electrical motors need protection devices. EATON Moeller PKZM0-0.63 is a Motor Protective Circuit Breaker with manually actuated motor-protective circuit-breaker IEC/EN 60947-4-1, VDE 0660 part 102, rotating handle with clear switch position display ON and OFF. The current rating of this AC motor protection device can be adjusted from 0.4A to 0.63A. In addition to thermal

We’re hitting rock bottom in cyber — let’s do something | TechCrunch

https://techcrunch.com/2017/11/29/were-hitting-rock-bottom-in-cyber-lets-do-something/?ncid=rss&utm_source=tcfbpage&utm_medium=feed&utm_campaign=Feed%3A+Techcrunch+%28TechCrunch%29&sr_share=facebook When it comes to the cybersecurity problem, where is rock bottom? Was it WannaCry, a ransomware attack. Or similar and perhaps even worse attack that hit just weeks later? Was it the Yahoo breaches? Or Equifax and Uber? Intel and Apple leaving our computer management accounts wide open? Banking computer systems hacked and many millions stolen? Or critical infrastructure hackers