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Reprogramming a $13 consumer wifi-enabled outlet
The HTML5 Herald
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Hardware & Electronics
The most popular blog posts about hardware & electronics on Hacker News. 4,805 posts.
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VPR: Nordic's First RISC-V Processor
VPR (pronounced “Viper”) is Nordic Semiconductor’s first RISC-V processor, landing in the new nRF54H and nRF54L lines of SoCs after their initial announcements in April and October of 2023 respectively. Readers of this blog are familiar with my long-running obsession interest in RISC-V (see my RISC-V Tips and RISC-V…
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Rust on the MOS 6502: Beyond Fibonacci
On August 15th, the following answer showed up on the Retrocomputing Stack Exchange site :
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Android: Faster emulator with better hardware support
News and insights on the Android platform, developer tools, and events.
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Ransomware-ing a DSLR Camera
Research by: Eyal Itkin TL;DR Cameras. We take them to every important life event, we bring them on our vacations, and we store them in a protective case to keep them safe during transit. Cameras are more than just a tool or toy; we entrust them with our very memories, and so they are very important […]
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Introducing the USB Stick of Death
Several months back we have been playing with different file systems on various system platforms, examining the security posture and robustness of numerous device drivers’ implementations. One of the configurations we spent some time on was the commonly used NTFS on Microsoft Windows – as the file system is rather…
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Reverse Engineering a Keyboard to Play Snake
While I'm a hacker of all kinds of electronics things by night, my day job is being a software developer. That mostly means sitting in front of a computer all day, entering code, debugging, etcetera. You probably can imagine my main weapon of choice to tame all that code is my keyboard: I'm usually happily tapping…
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Bob Heil, K9EID, Silent Key
The American Radio Relay League (ARRL) is the national association for amateur radio, connecting hams around the U.S. with news, information and resources.
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AMD Killed the Itanium (2005)
You're probably reading this page because you've attempted to access some part of my blog (Wandering Thoughts) or CSpace , the wiki thing it's part of. Unfortunately you're using a browser version that my anti-crawler precautions consider suspicious, most often because it's too old (most often this applies to versions…
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Sony Releases Stacked CMOS Sensor for Smartphones with 48 Effective Megapixels
Tokyo, Japan—Sony Corporation today announced the upcoming release of the IMX586 stacked CMOS image sensor for smartphone cameras. The new sensor features 48 effective megapixels, the industry's highest pixel count.
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The Nokia N9 Alarm Clock (2014)
I want to talk about the Nokia N9 (2011) alarm clock application because it’s a really nice example of thoughtful, functional design – and because it’s only on the N9, so a lot of people won’t have seen it.
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UEFI boot: how does that actually work, then? (2014)
AdamW on Linux and more
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The Nvidia Way
Tae Kim's terrific new book on the story of Nvidia and Jensen Huang
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Intel gets worse, but Power11 might get better
Just in case we needed any more reassurance we made the right move with OpenPOWER: Phoronix is reporting that Intel is about to get even ...
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Automated snare drum made to the order of Aphex Twin (2014)
This musical robot consists of a high quality Ludwig snare drum automated with 13 beaters hitting different spots of the membrane from the inside. Two solenoid driven drum sticks, mounted externally, take care of the rimshots. Of course, all beaters have a precise and wide range velocity control. The snares can be…
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Discovering hard disk physical geometry through microbenchmarking (2019)
Modern hard drives store an incredible amount of data in a small space, and are still the default choice for high-capacity (though not highest-performance) storage. While hard drives have been around since the 1950s, the current 3.5″ form factor (actually 4″ wide) appeared in the early 1980s. Since then, the capacity…
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Thunderscan: A clever device transforms a printer into a scanner (2004)
The first project that I worked on for Apple after starting in August 1979 was writing low level software for the Silentype printer (see What Hath Woz Wrought ) , a cute, inexpensive thermal printer for the Apple II, that was based on technology licensed from a local company named Trendcom. In typical Apple fashion…
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Slack on a SNES
I recently learned that in the mid 90s in Japan, the Super Nintendo had a peripheral called a Satellaview, which was a satellite modem that would receive data broadcasts from Nintendo.
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Is sequential IO dead in the era of the NVMe drive?
Two systems I know pretty well, Apache BookKeeper and Apache Kafka, were designed in the era of the spinning disk, the hard-drive or HDD. Hard-drives are good at sequential IO but not so good at random IO because of the relatively high seek times. No wonder then that both Kafka and BookKeeper were d
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Don’t buy System76 hardware and expect to get firmware updates from the LVFS
Update 2021-11-12: System76 is now using the LVFS to distribute firmware. We're working together to put much more firmware on the LVFS in the future. System76 is a hardware vendor that builds laptops with the Pop_OS! Linux distribution pre-loaded. System76 machines do get firmware updates, but do not use the fwupd and…
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How many x86 instructions are there?
It’s surprisingly hard to give a good answer (the question was raised in this article). It depends on how you count, and the details are interesting (to me anyway). To not leave you hanging: …
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Yet another keyboard post, or, introducing ErgoNICE
I made a custom split mechanical keyboard! Because it's me, this involved things like contributing to a PCB design tool and discovering a ridiculously optimized way to read a keyboard matrix.