211
The Rubik's Contraption
A collaboration with Jared . Before any build log, here's a video: That was a Rubik's cube being solved in 0.38 seconds. The t...
New
The latest blog posts to take off on Hacker News. 258 posts.
212
Nixie-clock using neon lamps as logic (2017)
The above shows my home-built digital clock. It uses Nixie-tubes for readout. In contrast to most other nixie-clocks being built these days, my clock does not use any transistor or IC for driving the tubes. Instead, the driving logic is built from neon lamps , together with resistors, capacitors and silicon diodes.
213
Prototype to production: How to build and design a PCB prototype
Learn how to build a PCB prototype, define fabrication specifications, and create gerber files in our new comprehensive guide
214
215
216
217
218
Programming ARM μC in Rust at four different levels of abstraction
This content was originally meant to be presented as part of my workshop on Rust and microcontrollers at the NITC FOSSMeet 2018 . As I was not able to cover it satisfactorily during the workshop, I thought of writing it down!
219
Why has CPU frequency ceased to grow? (2014)
A portfolio of HPC tools help data scientists, researchers, and developers efficiently build cross-architecture applications.
220
I.MX7 M4 Atomic Cache Bug
Hardware Bugs can be frustrating, as they are likely the last place you would expect a bug. Unfortunately, they can and do happen. Most likely every CPU has a list of erratas. This post outlines th…
221
Newly observed optical state could enable quantum computing with photons
MIT and Harvard physicists have created a new form of light that could enable quantum computing with photons.
222
223
Magic Leap One Video – Diffractive Waveguides Confirmed
At Recode’s Code Media conference on Feb. 13, 2018 (a few hours ago as I write this), they live streamed an interview with Ronny Abovitz, CEO of Magic Leap and NBA commissioner Adam Silver. The int…
224
Cloud TPUs in Beta
Starting today, Cloud TPUs are available in beta on Google Cloud to help machine learning (ML) experts train and run their ML models more quickly.
225
E-Stop and Fuel, software that keeps you awake at night
Computer code that I’m writing usually doens’t keep me up at night. After all, it’s only bits & bites and if something doesn’t work properly you can always fix it, that’s the beauty of software.
226
Repairing the card reader for a 1960s mainframe: cams, relays and a clutch
I recently helped repair the card reader for the Computer History Museum's vintage IBM 1401 mainframe. In the process, I learned a lot abou...
227
228
No Cutting Corners on the iPhone X
When the iPhone X launched, a lot of designers were put off about the screen shape. Those complaints have mostly died down, but I haven’t…
229
230
Easy laser-cut electronics cases for maker boards (2017)
Downloadable acrylic case designs for the Raspberry Pi Zero+Stackable USB Hub, Orange Pi Lite & Marvell ESPRESSObin.
231
232
If you watch closely enough, everything is a speaker
Using high speed cameras, it’s possible to record the vibrations of everyday objects caused by nearby sounds and reverse engineer the sounds…essentially turning
233
234
NASA’s IMAGE satellite, lost since 2005, is alive
Over the past week the station has been dedicated to an S-band scan looking for new targets and refreshing the frequency list, triggered by the recent launch of the mysterious ZUMA mission. This t…
235
Building a Lightroom PC
Why I switched to Windows 10 from macOS and built a water-cooled and overclocked 5.2GHz 6-core PC for photo editing with Adobe Lightroom Classic CC.
236
The Transistor, Part 1: Groping in the Dark
The road to a solid-state switch was a long and complex one. It began with the discovery that certain materials behaved oddly with respect to electricity – differently than any existing theor…
237
OpenWrt in a WiFi card reader (2017)
The Zsun Wifi card reader is cheap tiny USB to MicroSD card reader with an integrated wifi chip running Linux, In a nutshell, it is a WiFi access point with more flash (16MB) and RAM (64 MB) than most OpenWrt supported routers. Polish hardware hacker q3k from Warsaw Hackerspace, is a recent and…
238
Embedded in Rust: Brave new I/O
A blog about Rust and embedded stuff
239
However improbable: The story of a processor bug
Processor problems have been in the news lately, due to the Meltdown and Spectre vulnerabilities. But generally, engineers writing software assume that computer hardware operates in a reliable, well-understood fashion, and that any problems lie on the software side of the software-hardware divide.
240
Librem 5 Phone Progress Report
Purism makes premium phones, laptops, mini PCs and servers running free software on PureOS. Purism products respect people's privacy and freedom while protecting their security.