Archive for May 2022

Ethernet category added to blog

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

Friday Fun: Newton’s Pendulum (Gangnam Style)

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.

AMD Ryzen 7000 at 5 GHz

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

USB port colors

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

Friday Fun: Eyebombing

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) Vanyu Krastev brings Bulgarian streets to life by adding googly eyes to objects. For more Eyebombing

Velleman K7000 signal tracer / injector

This signal tracer/injector has been designed to inject or detect a specific signal into an audio circuit in need of repair (such as amplifiers, radios, tone controls, …) so as to detect the fault. Signal tracer/injector is typically used when testing audio frequency circuits (there are also tracer/injector circuits for other applications as well). With

D-Link KVM switch

4-Port USB KVM Switch DKVM-4U is a device that allows you to control up to 4 PCs using only one monitor, keyboard and mouse. The DKVM-4U is designed to allow you to control up to 4 computers from a single keyboard, monitor and mouse, so you don’t have to purchase a monitor, keyboard and mouse

Star Wars day Arduino projects

Star Wars Day is an informal commemorative day observed annually on May 4 to celebrate the Star Wars media franchise. To celebrate #StarWarsDay, Arduino team has put together a list of inspired builds from a galaxy far, far away. #MayThe4thBeWithYou The force is strong with these Arduino projects!