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Low Cost CO2 Sensors Comparison: Photo-Acoustic vs. NDIR
A comparison of low-cost CO2 sensor technologies, explaining photo-acoustic versus NDIR designs and the tradeoffs behind each approach.
Topics /
Hardware & Electronics
The most popular blog posts about hardware & electronics on Hacker News. 150 posts.
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Physical Intelligence's first generalist policy AI can finally do your laundry
Our first generalist policy, π0, a prototype model that combines large-scale multi-task and multi-robot data collection with a new network architecture to enable the most capable and dexterous generalist robot policy to date.
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Goldene: A single atom layer of gold
For the first time, scientists have managed to create sheets of gold only a single atom layer thick. According to the researchers from LiU this has given the gold new properties that can make it suitable for use in various applications.
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PiFex: JTAG Hacking with a Raspberry Pi
With this blog post, we'll introduce the PiFex, a basic companion board for the Raspberry Pi designed to teach users the basics of hardware hacking and embedded protocols. We will then demonstrate how to use the PiFex to access a JTAG tap on an undocumented SSD, allowing memory reads and GDB access to the SSD CPU.
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Mechanical computer relies on kirigami cubes, not electronics
The mechanical computer uses a complex structure of rigid, interconnected polymer cubes to store, retrieve and erase data without relying on electronic components.
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Apple Watch Series 10
Apple unveiled Apple Watch Series 10, featuring a refined design and bringing new capabilities to the world’s most popular watch.
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Deploying Rust in existing firmware codebases
Posted by Ivan Lozano and Dominik Maier, Android Team Android's use of safe-by-design principles drives our adoption of memory-safe languag...
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IBM 360’s are searching for a new home
Hello! If you’re still here reading this blog, I’m impressed. We haven’t posted anything of note for some years now and frankly, thats because we haven’t done anything of note with the project. The machines have been sitting in their home, virtually untouched, for 4 years now. Chris & I (Adam) are just too busy with…
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Raspberry Pi Connect
Introducing the beta version of Raspberry Pi Connect: a secure and easy way to access your Raspberry Pi remotely, using just a web browser.
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Semiconductor Fabrication 101
Free online course from Purdue University in collaboration with Intel Corporation, the University of Texas at Austin, and leading worldwide partners in the field*
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Reverse engineering ESP32 Wi-Fi driver: the road ahead
Estimating the effort needed to re-implement the Wi-Fi driver
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DARPA wants to bypass the thermal middleman in nuclear power systems
Nuclear power already has an energy density advantage over other sources of thermal electricity generation. But what if nuclear generation didn’t require a steam turbine? What if the radiation from a reactor was less a problem to be managed and more a source of energy? And what if an energy conversion technology could…
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Meta MTIA v2 – Meta Training and Inference Accelerator
We are sharing details of our next generation chip in our Meta Training and Inference Accelerator (MTIA) family. MTIA is a long-term bet to provide the most efficient architecture for Meta’s unique workloads.
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AI model for near-instant image creation on consumer-grade hardware
The University of Surrey unveils NitroFusion, an open-source AI model for near-instant image generation on a single consumer-grade GPU.
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A step toward fully 3D-printed active electronics
Researchers produced 3D-printed, semiconductor-free logic gates, which perform computations in active electronic devices. As they don’t require semiconductor materials, they represent a step toward 3D printing an entire active electronic device.
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Puget Systems' Perspective on Intel CPU Instability Issues
You may have heard about instability issues with Intel Core 13th and 14th Gen desktop processors. The issue has been gaining more attention as time goes on. I am posting to share what we've experienced here at Puget Systems, and what we're doing about it.
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CT Scans of New vs. Used SawStop
CT scans of a new and deployed SawStop brake reveal the fuse wire, spring mechanism, and pawl collapse zones that stop a spinning saw blade in under 5 ms.
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MNT Reform Next
A future proof laptop with a retro futuristic aesthetic: This is MNT Reform Next.
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Cerebras Inference: AI at Instant Speed
We are excited to announce the release of Cerebras DocChat, our first iteration of models designed for document-based conversational question answering. This series includes two models: Cerebras Llama3-DocChat, a large language model (LLM), and Cerebras Dragon-DocChat, a multi-turn retriever model.
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RISC-V HiFive Premier P550 Development Boards with Ubuntu Now Available
With strong initial reviews, the HiFive Premier P550 Development Boards with pre-installed Ubuntu are in stock and available for purchase. We’re excited to announce the general availability of the Premier P550 in both 16GB & 32GB configurations.
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Floppy8 – A Tiny Computer, in a Floppy Drive (2023)
This post covers the design and creation of the Floppy8, a microcomputer and cartridge system which fits inside a floppy drive. To see it in action, checkout this video! The Floppy8 plays 4K movies and games on custom cartridges, features wireless controllers, status lights, motorized cartridge ejection and more! Simil
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Ham Radio 101: What is WSPR?
Learn how WSPR (weak signal propagation reporter) technology is a fascinating facet of the Ham radio hobby in this easy-to-follow article.
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Raspberry Pi 5 now supports Valve's Steam Link
Valve's Steam Link now runs on Raspberry Pi 5 – excellent news for PC game fans who don't want to a lug a PC everywhere.
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Making a trading Gameboy: A pocket exchange and algo trading platform
An exchange and algo trading station in your pocket!
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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.