Archive for June 2022

Ethernet over coax – from UTP to coax

In this post I am talking about adapting 10 and 100 megabit twisted pair Ethernet to use coaxial cable instead of twisted pair wiring. Those 10BASE-T and 100BASE-TX Ethernet st standards use two wire pairs for communications (one for TX and other for RX). In this article I am describing how to adapt them to

Atari at 50

Atari At 50: The Story Of Our Lives It’s been a year of anniversaries, what with the 40th birthday of both the Commodore 64 and the Sinclair ZX Spectrum. There has been 50 years since Nolan Bushnell and Ted Dabney incorporated Atari Inc, a name that will forever be synonymous with the development of

HDMI firewall

Any device sporting a chip and some form of communications protocol can be hacked – that’s almost as strong a law as those governing gravity. Besides audio and video data, there are a number of parallel protocols in HDMI that transmit more information than we’d expect. There is I2C configuration data, HDCP (High-bandwidth Digital Content

Friday Fun: The Mysterious Life of Developers

Kantega | The Mysterious Life of Developers Comments: Notice that none have created any documentation. Yep, this is accurate! This is fake I don’t see a guy browsing stack overflow and beating his head with a keyboard and regretting his life decisions. Next video should contain softwares testers as predators… lurking behind the curtain

Introduction to the STM32 Blue Pill (STM32duino) and other STM32 boards

STMicroelectronics STM32 32-Bit ARM® Cortex®-M MCUs are based on the Arm Cortex-M processor. The MCUs offer a 32-bit product range that combines very high performance, real-time capabilities, digital signal processing, and low-power, low-voltage operation. This is achieved while maintaining full integration and ease of development. There is a large range of STM32 devices, based on

HDMI power HDMI 2.1a Amendment 1

The HDMI Forum has published a supplement to the HDMI standard. The new version has made HDMI 2.1a Amendment 1. This new release brings with it only one new feature: support for more powerful power feed to HDMI cable. The only new feature in the standard is known as HDMI Cable Power. HDMI cable has

New ‘Hertzbleed’ Remote Side-Channel Attack

Critical side-channel vulnerabilities in modern processors became well known in 2018 with Meltdown and Spectre vulnerabilities. And several more same type vulnerabilities followed. Now the newest on this series is called Hertzbleed Attack. It is a a new family of side-channel attacks: frequency side channels. Hertzbleed takes advantage that, under certain circumstances, the dynamic frequency

End of IE is here

With IE, Microsoft caused great damage to the Web. I’m happy to see it finally go. You probably won’t miss IE much as a result, but it’s still hard to ignore the program’s impact and its flaws. Microsoft ends Internet Explorer support in Windows 10 tomorrow It’s the end of an era you probably won’t