I saw in Facebook DIY audio group a question about suitable voltage divider resistance values to step down an amplifier’s output (approx 28vrms) to for example around 2.8v. The aim is to use the speaker outputs of an integrated amplifier or AV receiver to run an external power amplifier. Its obvious that a 10:1 ratio →
Transformers will only work with a changing current (AC). Transformer only works on AC and can’t be operated on DC i.e. it has been designed to be operated only and only on alternating current and voltage. The transformer works on the principle of mutual induction, for which current in one coil must change uniformly. The →
Artist Turns Famous Cartoon Characters Into Real Life Using AI https://www.iflscience.com/technology/artist-turns-famous-cartoon-characters-into-real-life-using-ai/ →
This posting is here to collect cyber security news in June 2022. I post links to security vulnerability news to comments of this article. You are also free to post related links to comments. →
Ethernet has risen to complete dominance for local area networks over its forty years of existence. The first Ethernet experimentals versions started in 1972 (patented 1978). The commercialization of Ethernet started in 1980′s. Today, Ethernet is everywhere. It’s evolved from a 2.93-Mb/s and then 10-Mb/s coax-based technology to one that offers multiple standards using unshielded →
Newton’s Pendulum (Gangnam Style) So much possible arrangements you can make with this thing. Amazing “I never thought I’d find myself rocking my head to Gangnam style after 10+ years and here I am vibing with the laws of physics.” If you liked this vdeo, you might also like Pendulum Waves video. →
‘Mute’ button in conferencing apps may not actually mute your mic! The users of remote meeting software have typically a poor understanding of how the mute system works, falsely assuming that audio input is cut when they activate it. This is not always the case. You’re muted — or are you? Videoconferencing apps may listen →
At its Computex keynote, AMD unwrapped what’s coming for new AM5 motherboards and gave a glimpse into Ryzen 7000 processor performance. AMD announces Ryzen 7000 CPUs with up to 16 Zen 4 cores based on TSMC’s 5nm process, PCIe 5 and DDR5 on an AM5 motherboard, coming in fall 2022. Those Ryzen 7000 CPUs can →
Nowadays you can see USB A ports in many colors like black, blue, teal blue, yellow, red and other colors. For the most part, the color of the USB port indicates the version of the port, but there are few exceptions. This article will tell you what those colors usually mean. Please bear in mind →
Googly eyes, or wiggle eyes, are small plastic crafting items used to imitate eyeballs. They are used in toys and to to make crafts. They can be also used for creative art. Street Art Eyebombing Bulgaria (7 photos) https://streetartutopia.com/2021/04/23/eyebombing-bulgaria/ Vanyu Krastev brings Bulgarian streets to life by adding googly eyes to objects. For more Eyebombing →