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All about electronics and circuit design

5G at Teknologia 2019

I visited Teknologia 2019 fair today in Helsinki Finland. Etteplan had an interesting 5G demonstration at the event. The 5G base station high on wall. In understood that it worked at frequency somewhere between 3400-3800 MHz. There was a Nokia 5G router that made connection through the 5G base station to Telia data center at

VGA to SCART adapters

Some time ago I saw  The ultimate VGA to SCART adapter project at Hackaday with description: Accurate recreation of vintage arcades is becoming increasingly difficult. CRT monitors are rare nowadays and, even if you find one, it will probably not support the 15.7Khz horizontal frequency used by many old arcades. A good alternative is a

Cyber security news November 2019

This posting is here to collect cyber security news in November 2019. I post links to security vulnerability news to comments of this article. If you are interested in cyber security trends, read my Cyber security trends 2019 posting. You are also free to post related links.    

The 50th anniversary of ARPANET, the internet’s predecessor

https://www.fastcompany.com/90423457/50-years-ago-today-the-internet-was-born-in-room-3420 Here’s the story of the creation of ARPANET, the groundbreaking precursor to the internet—as told by the people who were there. At the same time: RIPE NIC: ‘In Five Weeks We’ll Run Out of IPv4 Internet Addresses’ https://m.slashdot.org/story/362674 The RIPE Network Coordination Centre (RIPE NCC), which manages regional distribution of internet addresses for the

Cyber attack caused death?

For years there has been prediction when cyber incident will kill someone. It seems that it has happened. “Some of the recent cybersecurity incidents involving industrial control systems (ICS) have resulted in injury and even loss of life, according to a survey conducted by Control Systems Cyber Security Association International (CS2AI).” More: https://www.securityweek.com/some-ics-security-incidents-resulted-injury-loss-life-survey