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Using an $8 smart outlet to avoid brainrot
I wrote a small script that runs in the background, polling for the state of an $8 smart plug .
Topics /
Hardware & Electronics
The most popular blog posts about hardware & electronics on Hacker News. 4,805 posts.
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COAP endpoints on IKEA Trådfri
Hi, great work, I was just about to get down to trying to work this out. I’d got as far noticing it was CoAP and DTLS but no further yet ( https://gist.github.com/hardillb/4ce9fc493b792806e39f7fae4b7c28a7 ). CoAP is new to me so finding out it’s somewhat self describing is really useful.
2553
Testing DVD-R and CD-R 25 years later: optical disks from Japan
As it turns out, “thrift shopping” in Japan via the internet can be both very enjoyable as well as very dangerous. In this series of posts, I’ve been examining various optical med…
2554
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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Guessing smart phone PINs by monitoring the accelerometer
“Practicality of Accelerometer Side Channels on Smartphones,” by Adam J. Aviv. Benjamin Sapp, Matt Blaze, and Jonathan M. Smith. Abstract: Modern smartphones are equipped with a plethora of sensors that enable a wide range of interactions, but some of these sensors can be employed as a side channel to surreptitiously…
2557
MNT Reform Next
A future proof laptop with a retro futuristic aesthetic: This is MNT Reform Next.
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TensorFlow machine learning now optimized for the Snapdragon 835 and Hexagon 682
Boost your TensorFlow apps with the Snapdragon 835 and Hexagon 682 DSP. Unleash the power of AI and machine learning. Download the SDK now.
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Apple EFI firmware passwords and the SCBO myth
My original goal when I started poking around Apple’s EFI implementation was to find a way to reset a MacBook’s firmware password. My preliminary research found references to a “magical” SCBO file that could be loaded onto a USB flash drive and booted to remove the password. The normal process workflow is to first…
2562
Counting Bees on a Raspberry Pi with a ConvNet
the first thing i thought when we setup our bee hive was "i wonder how you could count the number of bees coming and going?"
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New 16GB Raspberry Pi 5 on sale now at $120
Announcing the 16GB Raspberry Pi 5 for use cases that need more capacity, available now at $120. Plus new Raspberry Pi Carbon Removal Credits.
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History of the Nautilus loudspeaker
Nautilus is all that and more. Despite being almost 30 years old, this remarkable loudspeaker can still turn heads and win hearts.
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EC2 Dedicated Hosts
Last month, I announced that we would soon be making EC2 Dedicated Hosts available. As I wrote at the time, this model allows you to control the mapping of EC2 instances to the underlying physical servers. Dedicated Hosts allow you to: Bring Your Own Licenses – You can bring your existing server-based licenses for…
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Librem 5 Evergreen vs. Pinephone
Huzzah! I recently received my Librem 5 (Evergreen) from Purism . The Librem 5 is a smartphone that runs an otherwise standard linux kernel. However, unlike Android which also relies on the linux kernel under the hood, the Librem 5 uses a GNU userspace, adapted for mobile. This makes it more akin to your typical…
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The Secret Behind Qualcomm's Margins? Patents
How Qualcomm mixes licensing and its product business to produce industry-beating profit margins, showcasing the importance of a patent licensing business
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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
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New material gives copper superalloy-like strength
Breakthrough material could transform aerospace, defense and industrial applications.
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Logic Lab
The Logic Lab provides a selection of 12 logic gates that you can interconnect with patch cables to make a variety of different logic circuits, for experimenting with and learning about logic:
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Arduino FIDO2 Authenticator
Introducing URU Card: an open-source, wallet-sized FIDO2 BLE authenticator based on ESP32, ATECC508A, OLED screen, and MPR121 touch keyboard. Join the project and start building your own secure authenticator.
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New SiFive RISC-V core P650 with 40% IPC increase
The SiFive Performance P650 processor is expected to be the fastest licensable RISC-V processor IP core in the market, bringing RISC-V into new markets and applications, and will debut to lead partners in Q1 2022.
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Compromising Garmin Sport Watches: A Deep Dive into GarminOS and Its MonkeyC VM
13 vulnerabilities in GarminOS and the MonkeyC VM, 9 with CVEs, that let Connect IQ apps escape the VM and bypass permissions on 100+ Garmin watches.
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Clocking a 6502 simulator to 15GHz
6-5-0-who? The 6502 is an iconic processor that dominated home computing in the late 70s and early to mid 80s. It was used in machines ra...
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Turn your PC upside down to boot into Linux (2003)
Finally the ultra low profile memory I was waiting for arrived and so at last I had Windows XP running inside my "Windows XP Box", and one of the most compact Mini-ITX projects ever. The cooling solution with two case fans and a ducted CPU fan works like a dream and is both quiet and effective. So far it has shown no…
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It's School time: Adventures in hacking an old Kindle
Jailbreaking an old Kindle and turning it into a school dashboard using Cloudflare Workers, Puppeteer, and image processing.
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How To Train Your Robot
Last Sunday, I taught six kids of ages 5 to 7 how to program. “In what programming language?” you may ask. Well…I didn’t use a programming language, at least none that you know of. In fact, I…