Cables are a critical component of any audio system. There are mainly two types of audio cables available in the market; balanced (two signal wires and a ground wire) and unbalanced (one signal wire and one ground wire). Signals in all types of wires are conveyed by the combination of voltage and current. Reducing analog →
Oscilloscope and Arduino are tools for modern makers. Here are some videos and articles that combine together Arduino and oscilloscopes: Learn Oscilloscope Basics with an Arduino Uno | AddOhms #28 Using an Oscilloscope and an Arduino Improve your Arduino programming skills – The budget oscilloscope. For more details, read the following articles: Learn Six Oscilloscope →
Live music and related events needs lots of electrical power to run the audio, video and light systems. Energy is a big costs for a festival. Besides the cost of the electricity itself, there are typically considerable cost of getting enough electricity for a large event and distributing that electricity where it is needed using →
https://opensource.com/article/18/8/how-scale-your-website-across-all-devices According to this article the most successful websites are designed with a mobile-first approach. The significant year-over-year growth of online business transactions done via mobile devices has encouraged companies to build websites and e-commerce sites that look, feel, and function identically on computers and smart mobile devices. This article gives ideas how to build →
https://www.bbc.co.uk/news/science-environment-45513012 Some science news for this Friday: Riding on some types of roller-coaster is an effective way of removing kidney stones is the conclusion of research that has won this year’s Ig Nobel Prize for Medicine. The Ig Nobels are spoof prizes that recognise achievements that make people laugh but also then think for a →
This is a teardown of one broken Ethernet to 3G cellular network industrial gateway. There is a miniPCI slots for communications module. It is a commonly used for cellular cards. MiniPCI slot provides both PCI and USB signals. This Option GTM382 cellular module has USB 2.0 host interface (uses AT commands). There there seems to →
https://www.engadget.com/2018/09/12/eu-copyright-directive-article-11-13-law-internet-ruling-censorship/ The EU has voted on copyright reform (again), with members of European Parliament this time voting in favor of the extremely controversial Articles 11 and 13 on new Copyright Directive. As webmaster and content creator I don’t like this decision at all. This is bad for Internet and all users. And I don’t think →
https://juliareda.eu/2018/09/copyright-showdown/ Before the summer, the European Parliament decided to rethink its position on EU copyright reform plans, including upload filters and a “link tax”, after massive protests. Consequently, over 200 individual proposals for changes were filed. MEPs will vote on all of them on Wednesday, September 12. Some background what is happening: The future is →
Here are some interesting videos related to PA and sound reinforcement systems. Wikipedia defines that a public address system (PA system) is an electronic system comprising microphones, amplifiers, loudspeakers, and related equipment. It increases the apparent volume (loudness) of a human voice, musical instrument, or other acoustic sound source or recorded sound or music. The →
https://www.edn.com/electronics-blogs/edn-moments/4420729/1st-actual-computer-bug-found–September-9–1947 This describes the history of term “computer bug”. In September 9, 1947, a team of engineers working on the Mark II Aiken Relay Calculator at Harvard University had a problem: the bug was an actual large moth, about four inches in wing span, in one of the relays beaten to death. Debuggers put it →