Author Archive

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

Quantum Supremacy Achieved ?

Quantum computers has been on news a lot lately. Scientists claim to have achieved “quantum supremacy”, a breakthrough that could change computing history. But has that breakthrough really happened or not? Google Confirms Achieving Quantum Supremacy https://gizmodo.com/google-confirms-achieving-quantum-supremacy-1839288099 Google scientists confirmed in a blog post that their quantum computer had needed just 200 seconds to solve

Modular synthesis on the web

The modular synthesizer is a type of synthesizer consisting of separate specialized modules. The modules are typically connected together with patch cords in different ways as needed to generate needed tones. Typical modules are oscillators (operate on frequency), filters (spectrum), amplifiers/gates (amplitude) and Envelope generators (dynamic control). The earliest commercial modular synthesizers were developed, in

LED DMX-512 lamp teardown

Here is a tear-down of 36W Par LED PAR CAN Stage Light with IR remote and DMX-512 control from wish.com sale. The light works well with DMX-512 control. Front and back On the back there are XLR3 DMX-512 connectors, address display and control buttons. Look inside On the left there is aluminum circuit board with