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Testing the Z80 Chip with a 1970s Beauty
The Fairchild Sentry 610 was optimized for engineers
New
The latest blog posts to take off on Hacker News. 463 posts.
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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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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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Making Electronic Calipers
Have you ever wished for a 500 Hz, millimeter-precise linear position sensing system? Well you're in luck --- all you need is some circuit board, a basic microcontroller, and a wee bit of maths!
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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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Tracker Beeper (2022)
A week ago, I finally got round to implementing an idea I’d been toying with for years: what if your computer made a little bit of noise every time it sent data to Google? From studying logs, I’d long known just how many sites send all your visits and clicks to (at least) Google, but a log that you have to manually…
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What Every Developer Should Know About GPU Computing (2023)
A primer on GPU architecture and computing
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Our First Generalist Policy
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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Looking into the Nintendo Alarmo
While everyone was waiting on news for the successor of the Nintendo Switch, Nintendo released the Alarmo. A small plastic alarm clock that ...
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M4 MacBook Pro
Apple today unveiled the new MacBook Pro, powered by the M4 family of chips: M4, M4 Pro, and M4 Max.
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Using an 8K TV as a Monitor
TLDR: If your job is to write code all day or stare at Excel spreadsheets, buy an 8K TV instead of a multi-monitor setup. You can even use the same TV for 4K 120 Hz gaming or watching movies as a bonus!
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New Mac Mini with M4
Apple today unveiled the all-new Mac mini powered by the M4 and new M4 Pro chips, and redesigned around Apple silicon so it’s even smaller.
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New iMac with M4
Apple today announced the new iMac, featuring the powerful M4 chip and Apple Intelligence, in its stunning, ultra-thin design.
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Hacking the T2S+ Out of Fear: Get Lock-In Thermography for Free
Hacking the T2S+ v2 to work on computers, tear it down for the first time online, and play with lock-in thermography as a bonus!
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The motor turns too much
This instalment is about the "Bench Kona" I've built in the shed. Behold its questionable integrity:
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Debugging my wife's alarm clock
My wife's alarm clock has been acting up lately. Sporadic at first but then every day, it wouldn't blare in the morning at the set time. Instead, when it was supposed to go off it would... reset itself. The time would start flashing in that "I'm confused because the power went out" sort of way.
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Deep dive: the instability of op-amps
A closer look at op-amp feedback loops and the stability criteria for circuits that use them.
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Cerebras Inference now 3x faster: Llama3.1-70B breaks 2,100 tokens/s
Cerebras powers the world's fastest AI inference on the biggest wafer chip. Cerebras CS-4 delivers up to 30x faster inference than GPUs.
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ST Book, the Notebook Atari ST
A surprisingly innovative portable ST
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RISC-V is currently slow compared to modern CPUs
RISC-V is currently quite slow compared to modern CPUs in 2024.
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How DRAM changed the world
From an idea in 1966 to a patent in 1968, DRAM has had an outsized impact on the world with its dynamic random access memory technology enabling everything from mobile phones to automobiles. Cheers to 50+ years of innovation!
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Can SpaceX land a rocket with 1/2 cm accuracy?
No. But they don’t need to. In preparation for the 5th test flight of Starship, SpaceX announced that they would try to catch the booster using “Mechazilla’s chopsticks.” Later du…
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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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C-Motive's electrostatic motors use printed circuit boards instead of magnets
Simple, efficient torque C-Motive’s motors are engineered to provide silent, maintenance-free, and high-efficiency torque for stationary industrial applicat ...
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Implementing neural networks on the "3 cent" 8-bit microcontroller
Bouyed by the surprisingly good performance of neural networks with quantization aware training on the CH32V003, I wondered how far this can be pushed. How much can we compress a neural network whi…
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Qualcomm cancels Snapdragon Dev Kit, refunds all orders
This afternoon I received the following email from Arrow, regarding the Snapdragon Developer Kit for Windows: Dear Valued Customer, Please see this important message from Qualcomm: ”At Qualcomm, we are dedicated to pioneering leading technology and delivering premium experiences to our valued customers. The launch of…
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Amazon reveals first color Kindle, new Kindle Scribe, and more
Our e-reader lineup also features a reimagined Kindle Scribe and the fastest Kindle Paperwhite ever.