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Hardware & Electronics

The most popular blog posts about hardware & electronics on Hacker News. 141 posts.

2020
122

TRRespass: Rowhammer against DDR4

Project Description Rowhammer haunted us for the better part of the past decade. Most DDR3 modules were found to be susceptible to this vulnerability which can compromise data directly inside the memory cells. What made it so scary was the fact that it could be exploited from software on PCs, clouds, smartphones, over…

124

Xen on Raspberry Pi 4

The Xen Project is excited to share that the Xen Hypervisor now runs on Raspberry Pi. This is an exciting step for both hobbyists and industries. Read more to learn about how Xen now runs on RPi and how to get started. Written by Stefano Stabellini and Roman Shaposhnik, originally

126

Weird and Innovative Chips (2007)

The GDP was exclusively object oriented - normal linear memory access wasn't allowed, and there was hardware support for data hiding, methods, inheritance, late binding, and access protection, and it was promoted as being ideal for the Ada programming language. To enforce this, permission and type checks for every…

130

New T4g EC2 Instances, Powered by AWS Graviton2

December 10, 2020 – Post updated for the extension of the T4g free-trial until March 31, 2021. During the free-trial period, customers who run a t4g.micro instance will automatically get 750 free hours per month deducted from their bill during each month. T4g free-trial will be available in addition to the existing…

135

Robot Disinfects Greater Boston Food Bank

MIT’s Computer Science and Artificial Intelligence Laboratory (CSAIL), in collaboration with Ava Robotics and the Greater Boston Food Bank, designed a robot that disinfects surfaces and neutralizes aerosolized coronavirus with UV-C light. The approach uses a custom UV-C light fixture designed at CSAIL that is…

138

ASICs at the Edge

At Cloudflare, we pride ourselves in our global network that spans more than 200 cities in over 100 countries. To accelerate all that traffic through our network, there are multiple technologies at play. So let’s have a look at one of the cornerstones that makes all of this work.

139

May Update: PineTab Pre-Orders, PinePhone Qi Charging and More

With the PinePhone and Pinebook Pro production well under way and shipping in just a few days time, we’ll now be turning our attention to the other projects we have in the pipeline. There is a fair bit of material to cover this month - the main piece of news, however, is that we’ll be taking pre-orders for the PineTab…