The hottest Hardware Substack posts right now

And their main takeaways
Category
Top Technology Topics

Hardware discovery: ACPI & Device Tree

Blog System/5 • 330 implied HN points • 01 Mar 25
🕹 Technology Hardware Software Operating Systems Embedded Systems
  1. Hardware discovery is the process where a computer's operating system recognizes the devices connected to it, like printers or keyboards, and finds the right drivers to make them work.
  2. ACPI and Device Tree are two methods that help the operating system understand what hardware is present; ACPI is used mainly on PCs, while Device Tree is often used for embedded devices like Raspberry Pi.
  3. For the system to function properly, it's important to load the correct configuration for these hardware descriptions at boot time, which helps the kernel know how to interact with the hardware.

Learning Assembly for Fun and Profit

The Chip Letter • 12886 implied HN points • 14 Feb 25
🕹 Technology Programming Software Hardware Computing Education
  1. Learning assembly language can help you understand how computers work at a deeper level. It's beneficial for debugging code and grasping the basics of machine instructions.
  2. There are retro and modern assembly languages to choose from, each with its own pros and cons. Retro languages are fun but less practical today, while modern ones are more useful but often complicated.
  3. RISC-V is a promising choice for learning assembly language because it's growing in popularity and offers a clear path from simple concepts to more complex systems. It's also open-source, making it accessible for new learners.

The race for "AI Supremacy" is over — at least for now.

Marcus on AI • 23595 implied HN points • 26 Jan 25
🕹 Technology AI Innovation Hardware Software Global Competition
  1. China has quickly caught up in the AI race, showing impressive advancements that challenge the U.S.'s previous lead. This means that competition in AI is becoming much tighter.
  2. OpenAI is facing struggles as other companies offer similar or better products at lower prices. This has led to questions about their future and whether they can maintain their leadership in AI.
  3. Consumers might benefit from cheaper AI products, but there's a risk that rushed developments could lead to issues like misinformation and privacy concerns.

More nuggets on BYD ADAS

TP’s Substack • 6 implied HN points • 24 Feb 25
🕹 Technology Automotive Artificial Intelligence Data science Hardware Software
  1. BYD chose a specific chip setup for its DiPilot-100 platform that supports advanced technology better than other options. They prioritized overall performance and future needs rather than just the highest computing power.
  2. The company collects a large amount of driving data daily, which helps constantly improve its ADAS technology. While it's still behind Tesla’s FSD, BYD's hardware is getting better and offers a good range for detection.
  3. BYD is focusing on reducing costs by developing its own chips and increasing production efficiency. This strategy will help them expand smart car technology to more vehicles and compete effectively in the market.

Investigating an "evil" RJ45 dongle

lcamtuf’s thing • 10815 implied HN points • 17 Jan 25
🕹 Technology Hardware Security Software Networking Malware
  1. Claims of widespread supply-chain attacks are often exaggerated. It's usually easier to steal passwords or trick people into downloading malware instead.
  2. The investigation revealed that the 'evil' RJ45 dongle was actually just a routine device with a self-extracting driver, not a malicious tool.
  3. It's good to stay cautious about hardware from unknown sources, but for most home users, this type of device is likely safe enough.
Get a weekly roundup of the best Substack posts, by hacker news affinity:

Choosing an op-amp for your project

lcamtuf’s thing • 4081 implied HN points • 03 Jan 25
🕹 Technology Electronics Engineering Circuit Design Hardware Signal Processing
  1. When selecting op-amps for projects, avoid using older models like LM741 and LM324, as modern options perform much better and are easier to use.
  2. Look for op-amps with rail-to-rail input and output capabilities, which allow for better voltage range handling and simplify your circuit design.
  3. Focus on key parameters like bandwidth, output current, and noise specifications, but remember that many modern op-amps have decent performance that meets the needs of most hobby projects.

Weekend projects: Sketchy Sketch

lcamtuf’s thing • 3060 implied HN points • 06 Jan 25
🕹 Technology Electronics Hardware Programming DIY Projects Software
  1. A new version of the Etch-A-Sketch toy, called Sketchy Sketch, was created to be more user-friendly and modern. It uses digital controls for drawing and animating, unlike the old mechanical version.
  2. The Sketchy Sketch is built using a microcontroller and a display, allowing kids to create pixel art easily. It has a simple menu system and saves multiple images.
  3. The project shows that it's fun and rewarding to build something from scratch. The creator shares the parts and code online, encouraging others to try similar projects.

Generate Videos on Your Computer with Pyramid Flow

The Kaitchup – AI on a Budget • 99 implied HN points • 24 Oct 24
🕹 Technology AI Video Software Hardware Generative
  1. Pyramid Flow is a new model that lets you generate videos quickly on your computer. It supports 768p resolution and works at 24 frames per second.
  2. You can create videos using either text prompts or a mix of text and image prompts, making it flexible for different projects.
  3. A consumer GPU, like the RTX 3090, is good enough for making these videos, and there's a notebook available with all the steps to help you get started.

Hands-on graphics without X11

Blog System/5 • 1240 implied HN points • 17 Jan 25
🕹 Technology Software Graphics Hardware Programming Systems
  1. Using NetBSD's wscons framework, you can access and manipulate the graphical framebuffer directly without needing X11. This lets programmers draw graphics in a simpler way.
  2. The architecture of wscons is structured in layers, making it possible to interact with various hardware devices uniformly. It ensures that both output and input devices work across different machines.
  3. You can handle keyboard input using a feature called wsmux, which allows you to manage multiple keyboard devices easily. It makes your program more robust if a keyboard isn't connected right away.

An Introduction to Arduino

wavesandcode • 99 implied HN points • 21 Oct 24
🕹 Technology Electronics Microcontrollers Hardware Prototyping Education
  1. Arduino is a beginner-friendly microcontroller that lets you create electronic projects. It's easy to replace if you make mistakes.
  2. Basic components like breadboards, jumper wires, and LEDs are essential for building circuits. They help you connect and test your ideas quickly.
  3. Starting with simple projects is a great way to learn. Using resources like the Arduino Projects Book can guide you in building fun circuits.

DeepSeek's Edge

ChinaTalk • 741 implied HN points • 12 Jan 25
🕹 Technology AI Software Hardware Research Data
  1. DeepSeek has no business model, which allows its team to experiment freely without pressure to earn money. This gives them a unique advantage over most other AI labs that need to focus on revenue.
  2. DeepSeek runs its own data centers instead of relying on external cloud services. This means they have better control over their resources and can optimize their setup for efficiency.
  3. The company's success comes from their innovative software optimization techniques. By being smart about how they use their hardware, they've achieved high performance even with limited resources.

Lunduke's Quest - December 16, 2024

The Lunduke Journal of Technology • 1723 implied HN points • 17 Dec 24
🕹 Technology Software Hardware Innovation Internet Gadgets
  1. Everyone deals with challenges, it's a universal experience. We all face tough times, and it's important to recognize that you're not alone.
  2. Being real about feelings can help you connect with others. Sharing your honest emotions can strengthen relationships.
  3. Understanding that struggles are part of life can be comforting. It helps to remember that overcoming difficulties is how we grow.

Meter: The Internet Utility

Not Boring by Packy McCormick • 183 implied HN points • 30 Jan 25
🕹 Technology Networking Internet Software Infrastructure Hardware
  1. Meter aims to make internet access as easy and universal as electricity. The founders believe that just like buildings come ready for power, companies should have straightforward internet setups too.
  2. By integrating hardware, software, and support into one package, Meter can provide better service at a lower cost. This approach helps them stand out from traditional network providers.
  3. Meter is working on creating advanced AI models to automate network management. This means that over time, networks could self-configure, get smarter, and require less human intervention.

The Weekly Kaitchup #62

The Kaitchup – AI on a Budget • 159 implied HN points • 11 Oct 24
🕹 Technology AI Machine Learning Hardware Software Data science
  1. Avoid using small batch sizes with gradient accumulation. It often leads to less accurate results compared to using larger batch sizes.
  2. Creating better document embeddings is important for retrieving information effectively. Including neighboring documents in embeddings can really help improve the accuracy of results.
  3. Aria is a new model that processes multiple types of inputs. It's designed to be efficient but note that it has a higher number of parameters, which means it might take up more memory.

Discwasher SpikeMaster

Computer Ads from the Past • 128 implied HN points • 01 Feb 25
🕹 Technology Gadgets History Hardware Electronics Computing
  1. The Discwasher SpikeMaster was designed to protect computers from electrical surges. It featured multiple outlets and surge protection to keep devices safe.
  2. Discwasher was a well-known company for computer and audio accessories, but it dissolved in 1983. Despite this, its products continued to be mentioned in various publications years later.
  3. The SpikeMaster was marketed for its ability to filter interference and manage power safely. It made it easier for users to power multiple devices without the worry of damaging surges.

Last week at The Lunduke Journal (Nov 10 - Nov 23, 2024)

The Lunduke Journal of Technology • 1148 implied HN points • 25 Nov 24
🕹 Technology Software Hardware Development AI Internet
  1. Mozilla's Firefox is running out of money, with just nine months of funds left. This raises concerns about its future as a popular web browser.
  2. The Linux community is facing chaos as its Code of Conduct Board blocks essential file system changes. This conflict highlights issues within the community's governance.
  3. Red Hat is shifting focus from Linux to artificial intelligence, suggesting a major change in their business strategy and the future of open-source operating systems.

NCR PC4i

Computer Ads from the Past • 640 implied HN points • 23 Dec 24
🕹 Technology Computers History Ads Reviews Hardware
  1. NCR started as a cash register company and later moved into computing technology after World War II. They became known for their robust computers like the PT4 and PC4i, which were designed to compete with IBM.
  2. The NCR PC4i was praised for its durability and good build quality, making it suitable for heavy computer use. It was not portable, weighing 50 pounds, but offered performance and exceptional compatibility with existing software.
  3. NCR provided excellent customer support for their computers and included user-friendly software with detailed documentation, making their machines accessible for users.

The real "Year of The Linux Desktop"...

The Lunduke Journal of Technology • 574 implied HN points • 18 Dec 24
🕹 Technology Software Hardware Operating Systems Open Source Computing
  1. The Linux desktop is becoming more popular and user-friendly. More people are starting to see it as a viable alternative to other operating systems.
  2. New software and updates are making Linux easier for everyone to use. People don’t need to be experts anymore to enjoy its benefits.
  3. Community support and resources for Linux are growing. This means users can get help and share ideas more easily.

Synology DS923+ vs. FreeBSD w/ZFS

Blog System/5 • 827 implied HN points • 13 Dec 24
🕹 Technology Software Hardware Networking Data Storage Operating Systems
  1. Synology DS923+ and FreeBSD with ZFS offer different approaches for storage solutions. The DS923+ is a dedicated device designed for ease of use, while FreeBSD requires more manual setup and maintenance.
  2. The Synology system provides a friendly user interface and features like cloud backup options, while FreeBSD offers powerful command-line control but can be less user-friendly.
  3. Using the Synology NAS can give more peace of mind regarding data health and security due to its built-in features like encryption and monitoring alerts, compared to a DIY FreeBSD setup.

Where Was RDNA4 at AMD’s Keynote?

More Than Moore • 326 implied HN points • 06 Jan 25
🕹 Technology Hardware Software Gaming Electronics Artificial Intelligence
  1. AMD didn't announce RDNA4 at the CES keynote because they felt a short presentation wouldn't do it justice. They want to provide detailed information rather than leave people with questions.
  2. AMD plans to share more about RDNA4 through partners at CES, but a dedicated event will follow for an in-depth reveal. They are close to launch but wanted to wait for the right time.
  3. The naming scheme for new graphics cards will be clearer to help users make better comparisons. AMD aims to improve performance in key gaming areas and ensure good value for consumers.

Last week at The Lunduke Journal (Nov 24 - Nov 30, 2024)

The Lunduke Journal of Technology • 574 implied HN points • 01 Dec 24
🕹 Technology Software Programming Open Source Tech Policy Hardware
  1. The C++ Standards Group made headlines by banning a contributor just for using the word 'Question' in their work. It shows how strict and odd some technical communities can be.
  2. The Linux Code of Conduct Board also banned a developer for not apologizing enough, highlighting tensions in developer communities around behavior expectations.
  3. Microsoft has faced accusations from Google about using 'dark patterns' in their Edge browser, pointing to ongoing issues with user experience and ethical design in tech.

Expansion hack: Power Stone, Power Stone 2 (Dreamcast)

Rings of Saturn • 58 implied HN points • 05 Feb 25
🕹 Technology Gaming Software Hardware Development Debugging
  1. Power Stone for Dreamcast has a hidden debug menu for testing different features like sound and animations.
  2. Power Stone 2 also includes a debug menu that offers similar testing capabilities and extra features to explore character moves.
  3. Patches are available to access these hidden menus, enhancing the gaming experience for players who want to dive deeper into the games.

Live Session: How Modern CPUs Execute Your Code: A Deep Dive into Performance

Confessions of a Code Addict • 168 implied HN points • 14 Jan 25
🕹 Technology Computing Hardware Software Engineering Education
  1. Understanding how modern CPUs work can help you fix performance problems in your code. Learning about how the processor executes code is key to improving your programs.
  2. Important features like cache hierarchies and branch prediction can greatly affect how fast your code runs. Knowing about these can help you write better and more efficient code.
  3. The live session will offer practical tips and real-world examples to apply what you've learned. It's a chance to ask questions and see how to tackle performance issues directly.

Scaling Laws Meet Economics, but Adoption is still Accelerating

Mule’s Musings • 333 implied HN points • 19 Dec 24
🕹 Technology AI Economics Modeling Hardware Innovation
  1. Economics are very important when it comes to scaling tech, and while costs are rising, tools like ChatGPT are still becoming more popular. Understanding the balance of cost and usage is crucial.
  2. Scaling laws are changing, and relying solely on large pre-trained models may not be the best strategy anymore. Businesses might need to explore smaller models or alternative methods to improve efficiency and reduce costs.
  3. Adoption of AI technologies is still growing rapidly, which shows that despite challenges, many people are eager to use and integrate these tools into their lives.

Demystifying GPU Compute Software

The Chip Letter • 6989 implied HN points • 10 Mar 24
🕹 Technology Computing Programming Hardware Frameworks Development
  1. GPU software ecosystems are crucial and as important as the GPU hardware itself.
  2. Programming GPUs requires specific tools like CUDA, ROCm, OpenCL, SYCL, and oneAPI, as they are different from CPUs and need special support from hardware vendors.
  3. The effectiveness of GPU programming tools is highly dependent on support from hardware vendors due to the complexity and rapid changes in GPU architectures.

A Year In Chips

The Chip Letter • 8736 implied HN points • 30 Dec 23
🕹 Technology Semiconductors Programming Languages Hardware Microcontrollers
  1. The Chip Letter had 75 posts, over 500,000 views, and gained over 7,000 new subscribers in 2023.
  2. Highlighted posts included the story of Erlang at WhatsApp, the disappearance of minicomputers, and a celebration of the 65th anniversary of the Integrated Circuit.
  3. 2024 will bring posts on the history of microcontrollers, Moore's Law, the Motorola 6800, '8-bit', GPUs, TPUs, and more, with a 20% discount available for new annual subscriptions.

Mach 1 with Python!

Bite code! • 733 implied HN points • 19 Nov 24
🕹 Technology Programming IOT Hardware Software Engineering
  1. You can measure distance using sonar technology, which was once considered advanced but is now easily available and affordable for projects like Raspberry Pi.
  2. Creating fun experiences, like detecting when people pass through a giant Mario pipe and playing a sound, requires careful planning and some troubleshooting.
  3. Working with hardware can be tricky, as it often involves dealing with unexpected issues and requires patience, but it can lead to creative and playful outcomes.

Introducing Chiplets

The Chip Letter • 6770 implied HN points • 11 Feb 24
🕹 Technology Hardware Semiconductors Innovation
  1. The newsletter is introducing 'Chiplets,' shorter and more varied posts for the readers.
  2. Readers have the option to opt-in to receive 'Chiplets' in their inbox to avoid filling it with too many emails.
  3. The 'Chiplets' will cover a mix of historical and current topics in a more informal and fun way, offering a new format for readers.

OpenAI Deep Research Explains Itself

From the New World • 26 implied HN points • 06 Feb 25
🕹 Technology AI Hardware Software Data science Machine Learning
  1. AI hardware has evolved significantly, from early specialized chips to powerful GPUs and TPUs. These advancements make training AI models much faster and more efficient.
  2. The design of algorithms, especially with transformers, has greatly improved AI's ability to understand and generate language. These models can now learn complex patterns that were hard to capture before.
  3. Building and maintaining large AI systems requires careful planning and practices. Companies need efficient workflows and monitoring systems to manage data, hardware, and software effectively.

CXL Is Dead In The AI Era

SemiAnalysis • 7475 implied HN points • 16 Mar 24
🕹 Technology AI Hardware Protocols Semiconductors
  1. CXL technology was once thought to revolutionize data center hardware, but many projects have been shelved in favor of other advancements.
  2. CXL is not likely to be the go-to interconnect for AI applications due to limitations in availability and deeper issues in the era of accelerated computing.
  3. The main challenges with CXL include PCIe SerDes limitations, competition from proprietary protocols for AI clusters, and the need for improvements in chip design for bandwidth efficiency.

Nvidia B100, B200, GB200 - COGS, Pricing, Margins, Ramp - Oberon, Umbriel, Miranda

SemiAnalysis • 6364 implied HN points • 18 Mar 24
🕹 Technology Hardware Gaming Industry News Analysis Innovation
  1. Nvidia's new Blackwell GPUs introduce B100, B200, and GB200 models, offering improved performance and architecture.
  2. The B100 has exceptional gross margins exceeding 85%, showcasing Nvidia's strong pricing power in the market.
  3. The configuration of the Blackwell GPUs includes 8 stacks of 8-hi HBM3E with up to 192GB capacity, utilizing CoWoS-L technology for increased performance.

Eight More 8-Bit Era Microprocessors

The Chip Letter • 4368 implied HN points • 18 Feb 24
🕹 Technology Hardware Design History Innovation
  1. Designs that were not commercially successful can still be interesting and hold value for learning.
  2. Intel's 8085 microprocessor, while not a bad design, was overshadowed by Zilog's Z80 due to lack of major improvements.
  3. Signetics 2650 microprocessor faced limitations such as delayed time to market and segmented memory, showing the importance of timely releases and memory efficiency.

"Please wait while we access the functions on this card"

Disaffected Newsletter • 1938 implied HN points • 06 Feb 24
🕹 Technology Software Computing User Experience Hardware Automation
  1. Many everyday machines now have annoying delays when performing simple tasks that used to be instant, like using ATMs or accessing files. It's frustrating because these are basic functions.
  2. Modern devices often prioritize a fancy user experience over speed and efficiency, making us wait longer for actions that used to happen quickly. This creates a feeling of disconnect between users and their machines.
  3. The trend seems to be moving towards making everything software-controlled, even when it seems unnecessary. This can make basic interactions tedious and less intuitive for users.

What I'm preparing for in 2025

next big thing • 76 implied HN points • 08 Jan 25
🕹 Technology AI Crypto Startups Hardware Efficiency
  1. AI is becoming a big part of software development, allowing small teams to create successful products quickly and efficiently. By 2025, we will see a lot more companies thriving because of this.
  2. We are moving towards using AI not just as helpers but as real team members. In 2025, AI will be more about collaboration rather than just assistance.
  3. There will be breakthroughs in other technologies like healthcare or energy that could surprise us, just as AI did in the past. These advancements will create new opportunities for startups.