https://blog.joda.org/2018/09/do-not-fall-into-oracles-java-11-trap.html Java 11 has been released. It is a major release. In addition to new features Oracle have also set it up to be a trap (either deliberately or accidentally). For 23 years, developers have downloaded the JDK from Oracle and used it for $free. But not anymore as earlier as it commercial that needs →
Gaffer tape (also known as gaffer’s tape or gaff tape) is a heavy cotton cloth pressure-sensitive tape with strong adhesive and tensile properties. It is widely used in theatre, photography, film and television production. A common application for gaffer tape is securing cables to a stage floor, podium, or other surface, either for safety or →
Remote powering implies that the power equipment is not local but some distance away. It is an alternative to commercial power, which can be hard to get and/or expensive. Remote means that the powering and powered equipment are in separate buildings or at different external locations inside same building. This posting about remote powering in →
Why was the inductor watching the news? Bad Jokes – Electrical Engineering Edition Two atoms at the bar: I think I lost an electron. Are you sure? I’m positive! What are the favourite footwear of a digital design engineer? Flip flops Why is getting shocked by AC more painful than DC? AC has more Hertz. →
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 →