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Updates to Works with Nest
Updates to the Works with Nest platform transition to the Works with Google Assistant platform
New
The latest blog posts to take off on Hacker News. 4,807 posts.
Hardware & Electronics
Any year
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RISC-V from scratch 2: Hardware layouts, linker scripts, and C runtimes
A post describing how C programs get to the main function. Devicetree layouts, linker scripts, minimal C runtimes, GDB and QEMU, basic RISC-V assembly, and other topics are reviewed along the way.
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Open source firmware is important for security
Why open source firmware is important for security.
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Pixel 3a
A phone from Google that helps you get more done. It has everything you need in a phone, and a camera that you’ll love.
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The Search for the Extra Pedal (2017)
McLaren Mastercard Formula 1 will race with Mercedes-Benz power in the 2026 F1 season, taking to the track for 24 race weekends with Lando Norris and Oscar Piastri.
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Librem 5 April Update
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.
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How to Read a Schematic
Schematics are our map to designing, building, and troubleshooting circuits. Understanding how to read and follow schematics is an important skill for any electronics engineer.
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An Introduction to C and GUI Programming
An Introductrion to C & GUI Programming, the new book from Simon Long and the Raspberry Pi Press is out now. Get your copy today.
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Green Material for Refrigeration Identified
Researchers from the UK and Spain have identified an eco-friendly solid that could replace the inefficient and polluting gases used in most refrigerators and air conditioners.
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Vendors must start adding physical on/off switches to devices that can spy on us
Update (May 15, 2019): This post was linked and its author quoted as a source in this Fast Company article on the same subject. Where's my webcam's off switch? Have you ever noticed that your webcam doesn't have an "off" switch? I looked on Amazon, and I couldn't find any webcams for sale that
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Visualizing Commodore 1541 Disk Contents
G64 files are C64/1541 disk images that contain all bits as they are physically laid out on the 5¼-inch floppy disk. Let’s visualize them! This animation shows 28 regular Commodore 1541 disks. Track 1 contains 21 sectors. Every sector is prefixed by two small red areas: These are the SYNC marks.…
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Mozilla WebThings
Mozilla WebThings is an open platform for monitoring and controlling devices over the web.
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How to Track Your Kids (and Other People's Kids) with the TicTocTrack Watch
Do you ever hear those stories from your parents along the lines of "when I was young..." and then there's a tale of how risky life was back then compared to today. You know, stuff like having to walk themselves to school without adult supervision, crazy stuff like that
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Adventures in reverse engineering Broadcom NIC firmware
For some time now, I've been reverse engineering the firmware of the Broadcom BCM5719 Ethernet NIC chip, so that open source firmware can be produced for it. The BCM5719 is a PCIe chip which provides up to four Gigabit Ethernet ports, and is mainly intended for use in server applications. It can be used with the Linux…
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A look at IBM S/360 core memory: In the 1960s, 128 kilobytes weighed 610 pounds
I recently received a vintage core memory array, part of an IBM System/360 mainframe computer. These arrays were used in a 128-kilobyte core...
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My Laptop Bit Me – The Shocking Truth (2012)
Apple aren't the only company with products that can feel tingly or buzzy to a light touch, it is all due to the widespread use of switched...
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Let's Talk About Capacitor Failure
I spend a good deal of time these days on various telnet BBS that are (naturally) focused on vintage computing. As such, much of the discussion being had in the message bases is in the form of help / advice … Continue reading →
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Apple’s $9 engineering marvel no one wants (2017)
It’s the Lightning to 3.5 mm headphone jack adapter. I figured Apple got rid of the headphone jack and came up with this simple adapter to send analog audio signals from the phone to a 3.5 mm jack. Simple, right?
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Iconic consoles of the IBM System/360 mainframes, 55 years old today
The IBM System/360 was a groundbreaking family of mainframe computers announced on April 7, 1964. Designing the System/360 was an extremely...
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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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Fixed Layout Prototyping – Hexagonal Electronics Breadboard
daverowntree has one repository available. Follow their code on GitHub.
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