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AirPlay and Touch Bar = Network Disaster
Mnpn's website and blog containing projects and other information.
Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 3,044 posts.
Hardware & Electronics
Any year
362
Building a Linux GPU Driver for the M4 Mac Mini in One Month
Personal website of Cody Ho
363
Carpentopod: A Walking Table Project
Back in 2008, I wrote some software for fun to generate various optimized walking mechanisms. And when I also picked up some electronics and wood working skills in more recent years, I was able to turn one of these mechanisms into an actual wireless walking wooden coffee table: the Carpentopod. This post briefly…
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The 'Egg' Laptop
When I was kids, I draw my perfect laptop PC to note. At that time, I couldn’t have the laptop. But, now I can start my project!
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Automated Hydroponic System Build (2020)
Hydroponic farming is a method of growing crops without soil, with the main benefits of environmental and nutrient control, water conservation, and reduction of labor. This technique relies on a number of technologies that the principles of automation can be applied in order to improve yield and consistency. In this…
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ADSL works over wet string (2017)
Broadband services are a wonderful innovation of our time, using multiple frequency bands (hence the name) to carry signals over wires (us...
367
A different kind of keyboard
I’ve always been attracted to chording keyboards in theory, but I lack whatever childhood musical training is required to wrap my fingers around them. So I made something else: an arpeggio keyboard. Peggi is an eight-key keyboard that fits on the back of your phone. While chording keyboards require you to press…
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Reverse-engineering the Yamaha DX7 synthesizer's sound chip from die photos
The Yamaha DX7 digital synthesizer was released in 1983 and became "one of the most important advances in the history of modern popular mu...
369
Building a custom octocopter from scratch with no prior hardware experience
Building a custom octocopter from scratch with an RL controller that sustains flight through motor failures. Follow the build log.
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Raspberry Pi security alarm – the basics
In November last year — I started building a DIY security alarm system, using a Raspberry Pi as the controller. My plan was to make a self-sustained system, using proper alarm hardware — like PIR sensors and sirens. Integration with Home Assistant would be an add-on, not a requirement. I wanted the system to be as…
372
How to revert HP printer’s ban on 3rd-party ink cartridges
Hewlett & Packard, the founders, had great lessons to teach us (managers in high-tech) about culture. To the extend of quoting them in my awesome...
373
More Casio Watch Mods
Hey everyone, it's been a while. Hope you're all doing well. Today I want to show you some more watch related stuff I've been working on.
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The Hackintosh Reborn
Almost a decade ago, I released a hackintosh guide on running macOS 10.14 through a VM with an x86 host. A "Hackintosh" is the feat of running macOS on non-Apple hardware, and has a history dating back to the late 1980s. At the time KVM and PCI
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Chuwi Minibook X
The Minibook X is a 10.5″ x86_64 sub-ultrabook with 16GB RAM, a 512GB NVMe drive, and only one majorly annyoing Linux quirk.
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I made a new backplane for my consumer NAS
codedbearder's blog
378
But good sir, what is electricity?
A quick look at the physics of conductors, insulators, and electric charges.
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Bluetooth Trackball Mark II
I made a Bluetooth trackball in which all the electronics are inside the ball. The ball is the entire trackball. Here it is in action: I...
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Turning a MacBook into a touchscreen with $1 of hardware (2018)
We turned a MacBook into a touchscreen using only $1 of hardware and a little bit of computer vision.
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The Internet of Unprofitable Things
Gather 'round children. Uncle Andrew wants to tell you a festive story. The NTPmare shortly after Christmas
383
Teardown of a PC Power Supply
Have you ever wondered what's inside your computer's power supply? The task of a PC power supply is to convert the power from the wall (1...
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How I introduced a 27-year-old computer to the web
Reviving an old computer is like restoring a classic car: there’s a thrill from bringing the ancient into the modern world. So it was with my first “real” computer, my Mac Plus, when I decided to bring it forward three decades and introduce it to the modern web.
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Learn electricity and electronics fundamentals without taking a formal course
A website supporting the books of author Simon Monk.
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Things you can do with diodes
Paying homage to the component we usually don't think about.
388
I'm spoiled by Apple Silicon but still love Framework
A personal comparison of battery life between my MacBook M1 Pro and Framework 13
389
Second IC
In 2018 I made the first lithographically fabricated integrated circuits in my garage fab. I was a senior in high school when I made the Z1 amplifier, and now I’m a senior in college so there are some long overdue improvements to the amateur silicon process. The Z1 had 6 transistors and was a great test chip to…
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The risk of RISC-V: What's going on at SiFive?
Updated 10/25