631
ADSL works over wet string (2017)
Broadband services are a wonderful innovation of our time, using multiple frequency bands (hence the name) to carry signals over wires (us...
Topics /
Hardware & Electronics
The most popular blog posts about hardware & electronics on Hacker News. 4,803 posts.
632
Students break acceleration world record for electric vehicles
Self-built electric vehicle sets new best time
633
A different kind of keyboard
I’ve always been attracted to chording keyboards in theory, but I lack whatever childhood musical training is required to wrap my fingers around them. So I made something else: an arpeggio keyboard. Peggi is an eight-key keyboard that fits on the back of your phone. While chording keyboards require you to press…
634
Reverse-engineering the Yamaha DX7 synthesizer's sound chip from die photos
The Yamaha DX7 digital synthesizer was released in 1983 and became "one of the most important advances in the history of modern popular mu...
635
Building a custom octocopter from scratch with no prior hardware experience
Building a custom octocopter from scratch with an RL controller that sustains flight through motor failures. Follow the build log.
636
637
638
Raspberry Pi security alarm – the basics
In November last year — I started building a DIY security alarm system, using a Raspberry Pi as the controller. My plan was to make a self-sustained system, using proper alarm hardware — like PIR sensors and sirens. Integration with Home Assistant would be an add-on, not a requirement. I wanted the system to be as…
639
How to revert HP printer’s ban on 3rd-party ink cartridges
Hewlett & Packard, the founders, had great lessons to teach us (managers in high-tech) about culture. To the extend of quoting them in my awesome...
640
More Casio Watch Mods
Hey everyone, it's been a while. Hope you're all doing well. Today I want to show you some more watch related stuff I've been working on.
641
642
Chuwi Minibook X
The Minibook X is a 10.5″ x86_64 sub-ultrabook with 16GB RAM, a 512GB NVMe drive, and only one majorly annyoing Linux quirk.
643
644
Chinese Tokamak reaches over 100M degrees
Experimental Advanced Superconducting Tokamak (EAST), nicknamed Chinese artificial sun, has achieved over 100 million degrees electron temperature in the core plasma in its 2018 four-month-long experiment campaign.
645
I made a new backplane for my consumer NAS
codedbearder's blog
646
But good sir, what is electricity?
A quick look at the physics of conductors, insulators, and electric charges.
647
More Tailscale tricks for your jailbroken Kindle
Community updates make Tailscale on a jailbroken Kindle more useful, with Tailscale SSH, proxy modes for KOReader, and full TUN mode on some devices. Plus: plugins for Kobo and Pocket Reader.
648
649
Bluetooth Trackball Mark II
I made a Bluetooth trackball in which all the electronics are inside the ball. The ball is the entire trackball. Here it is in action: I...
650
The Hackintosh Reborn
Almost a decade ago, I released a hackintosh guide on running macOS 10.14 through a VM with an x86 host. A "Hackintosh" is the feat of running macOS on non-Apple hardware, and has a history dating back to the late 1980s. At the time KVM and PCI
651
Turning a MacBook into a touchscreen with $1 of hardware (2018)
We turned a MacBook into a touchscreen using only $1 of hardware and a little bit of computer vision.
652
The Internet of Unprofitable Things
Gather 'round children. Uncle Andrew wants to tell you a festive story. The NTPmare shortly after Christmas
653
iPhone 18 Pro and iPhone 18 Pro Max
Apple announced iPhone 18 Pro and iPhone 18 Pro Max, delivering an advanced pro camera system and improved battery life and performance.
654
655
Teardown of a PC Power Supply
Have you ever wondered what's inside your computer's power supply? The task of a PC power supply is to convert the power from the wall (1...
656
How many kinds of USB-C to USB-C cables are there?
tl;dr: There are 6, it's unfortunately very confusing to the end user. Classic USB from the 1.1, 2.0, to 3.0 generations using USB-A and...
657
658
How I introduced a 27-year-old computer to the web
Reviving an old computer is like restoring a classic car: there’s a thrill from bringing the ancient into the modern world. So it was with my first “real” computer, my Mac Plus, when I decided to bring it forward three decades and introduce it to the modern web.
659
Learn electricity and electronics fundamentals without taking a formal course
A website supporting the books of author Simon Monk.
660
Things you can do with diodes
Paying homage to the component we usually don't think about.