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All about electronics and circuit design

After years of warnings, mobile network hackers exploit SS7 flaws to drain bank accounts • The Register

https://www.theregister.co.uk/2017/05/03/hackers_fire_up_ss7_flaw/ O2-Telefonica in Germany has confirmed to Süddeutsche Zeitung that some of its customers have had their bank accounts drained using a two-stage attack that exploits SS7: Thieves exploited SS7 to intercept two-factor authentication codes sent to online banking customers. Is this beginning of end for use of SMS for two factor authentication? SS7 was known to be

Nissan launches British-made home battery to rival Tesla’s Powerwall | Business | The Guardian

https://www.theguardian.com/business/2017/may/04/nissan-launches-british-made-home-battery-to-rival-teslas-powerwall Batteries that have powered electric cars around the UK will get a second life providing energy storage for households, with the launch this week of a British-made home battery to rival the one made by Elon Musk’s Tesla. I mentioned Tesla battery a year ago in this blog at  http://www.epanorama.net/newepa/2015/05/02/watch-elon-musk-announce-tesla-energy-in-the-best-tech-keynote-ive-ever-seen-the-verge/

HB100 microwave radar to Arduino

A Doppler radar is a specialized radar that uses the Doppler effect to produce velocity data about objects at a distance. It does this by bouncing a microwave signal off a desired target and analyzing how the object’s motion has altered the frequency of the returned signal. Doppler radar technology used to be expensive, but

Remote security exploit in all 2008+ Intel platforms – SemiAccurate

https://semiaccurate.com/2017/05/01/remote-security-exploit-2008-intel-platforms/ This looks quite nasty security issue for very many PCs. It seems that Intel has confirmed it. You can read their advisory here. The short version is that every Intel platform with AMT, ISM, and SBT from Nehalem in 2008 to Kaby Lake in 2017 has a remotely exploitable security hole in the ME (Management Engine)

Cell phones to operate underground

Cell phones do not work on tunels and other undeground contructions without help because many meters of earth, stone, concrete and steel to block the RF signals. To make cell phones to work underground, you need to build some sort of structure that allows signals to pass through so you can access your wireless data.

Converting traditional sysV init scripts to systemd

https://www.redhat.com/en/about/blog/converting-traditional-sysv-init-scripts-red-hat-enterprise-linux-7-systemd-unit-files?sc_cid=7016000000127ECAAY There is trend with many Linux distributions that old well known init system is replaced with systemd. It very different system that uses different techniques and scripts. This article gives tips how to convert a SysV init script to a systemd unit file.  It is useful to know how to use both systems, because everything will not