Topics /

Hardware & Electronics

The most popular blog posts about hardware & electronics on Hacker News. 3,044 posts.

Any year
722

Why I don't like smartphones

They are unequal devices. Smartphones are unapologetically devices for consumption. In this regard they differ critically from PCs, because PCs are equal devices in the sense that the same device is used for creation and consumption. This means that anyone with a PC can create as well as consume, if they so wish. This…

725

The Zilog Z80 has turned 50

As of writing, the Zilog Z80 processor was officially launched 50 years ago, in July of 1976, less than 4 years after the last human had walked on the moon, decades closer to WWII than to the present day, roughly at a half way point between the Kennedy assassination and the fall of the Berlin wall, closer to the…

730

You can't buy a Raspberry Pi right now

...or at least, not without a lot of patience or a fat wallet. But why? And are there any signs Raspberry Pis will become available to the general public again soon? To be clear, I'm speaking of the mainstream SBC Raspberry Pis, like the Pi 4 model B, the Compute Module 4, the Pi Zero 2 W, and even in many cases the…

731

Gooey rubber that's slowly ruining old hard drives

As part of my work toward an upcoming post about a lost piece of very obscure Mac history that has finally been found, I’ve been playing around with old Apple-branded SCSI hard drives made by Quantum and Conner in the 1990s. What I’m about to describe is already common knowledge in the vintage computing world, but I…

735

Goodbye non-KISS appliances

<p>Yesterday, we gave away our ~6-year-old GE French-door refrigerator after a never-ending slog of repairs. At least the guy and his mother who came to pick it up have a side-hustle of repairing and reselling appliances. There's hope it won't end up in a landfill. He offered to sell me a 4-door Samsung. No Thanks!…

737

CNC lasers for cutting and engraving

Laser cutters can injure or blind you permanently if you do not follow safety procedures! This post is an attempt to collect all of the information that I’ve gathered over the last year or so regarding budget laser cutters. There are no affiliate links on this page, I have no ties to any of the companies mentioned…

738

Designing Electronics That Work

I’ve put together a 300+ page book with basically everything I learned the hard way over the last 10 years founding and working at several hardware startups. It started out as a self published work, but No Starch Press picked it up and it went through a very extensive editing process to make it even better.

740

I bought a £16 smartwatch just because it used USB-C

Look, I'm an idiot. I know that, you know that, and the man on the moon knows that. Let's not get into why I'm an idiot; let's just accept that I have my peculiarities and you have yours. My idiocy is a quest to make sure all my portable electronics can recharge using USB-C. Modern smartwatches are tiny and they do a…

742

The beautiful Silent ThunderBolt-3 PC

When I placed the last screw on the DB4 chassis of the Beautiful Silent PC [1] , I thought I would not have to open it up again for years. Perhaps, I hypothesized, it would be a decade before an upgrade. The beautiful silent PC. The imperative of working from home proved me wrong when the seemingly easy problem of…

744

I made my own PCBs with a 3D printer

Listen, anyone can make a PCB at home, it’s easy. PCBs (printed circuit boards) are those flat things with all the components that are inside all electronic devices, you’ve seen them. All you need is a laser printer, some glossy magazine pages, print your circuit onto the page, use a clothes iron to transfer the toner…

745

Big GPUs don't need big PCs

Ever since I got AMD, Intel, and Nvidia graphics cards to run on a Raspberry Pi, I had a nagging question: What's the point? The Raspberry Pi only has 1 lane of PCIe Gen 3 bandwidth available for a connection to an eGPU. That's not much. Especially considering a modern desktop has at least one slot with 16 lanes of…

746

A Better Light Source for Scanning Color Negative Film

Narrowband trichromatic (RGB) light sources are superior to broadband (white) light for scanning color negative film; there are very good reasons why all commercial film scanners use RGB. ( film scanners were using blue LEDs at least a decade before they would be widely used in consumer products! ) Scanning film with…

747

Bottle Plotter

Bottle Plotter BottlePlotter.cz I have noticed that, it is quite common in group of small wine producers, that they don't use bottle la...