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First Impressions with the Raspberry Pi Zero 2 W
The Raspberry Pi Zero 2 W has just been released, it's now got three more cores just like the RPi 3, but what is it good for and should you get one?
Topics /
Hardware & Electronics
The most popular blog posts about hardware & electronics on Hacker News. 243 posts.
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Intel is dying and we can’t save it
How I realized that this is truly the end of the Intel era.
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Benchmarking the Apple M1 Max
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Yamaha DX7 chip reverse-engineering, part 4: how algorithms are implemented
The Yamaha DX7 digital synthesizer (1983) was the classic synthesizer in 1980s pop music. It uses two custom digital chips to generate sou...
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External boot disks still don’t work properly with M1 Macs
Making an external bootable SSD for an M1 Mac has proved tricky. Has this changed in macOS 11.2? If you’ve already got 11.1 running on one, how do you update it to 11.2?
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MirkoPC – a Raspberry Pi CM4-powered computer made in Poland
The MirkoPC is so far the closest thing to a full-fledged Raspberry Pi desktop computer: Based on the Compute Module 4, it has a full-size M.2 M-key slot, allowing the Pi to boot from reliable and fast NVMe SSD storage, a built-in headphone amp and line out, 4 USB 2.0 ports, gigabit Ethernet, two HDMI ports, and a…
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Solar Shed Summary: My Off Grid Office
A few months ago I moved to a few acres in the country, and needed somewhere to work - so I built myself a solar powered off grid office out of a Tuff-Shed Pro Studio! On one side, I’ve built a great desk corner with plenty of power and more than enough AC to keep me cool when it’s over 100F out.
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Jello 3D Printer (2013)
A while ago, a friend of mine turned 25 and held a fairly big birthday party. One of the things he wanted to serve were jello shots: basically little shot glasses of jello with alcohol mixed in. The consistency and sweetness makes for a pretty interesting drink, and he wanted to make 70 or so shots, at least one for…
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Home Lab Hardware Guide
My home lab in a 12U rack as of March 2026. What is a Home Lab? Think of a home lab as a place where you can fail in the privacy of your own home. As
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Raspberry Pi KVMs Compared: TinyPilot and Pi-KVM v3
In a strange coincidence, the authors of TinyPilot and Pi-KVM both emailed me within a week of each other and asked if I'd be interested in one of their KVM devices. Michael Lynch, founder of Tiny Pilot, said he'd used some of my Ansible work in building the TinyPilot update system, and Maxim Devaev, of Pi-KVM, liked…
131
Counting cycles and instructions on the Apple M1 processor
When benchmarking software, we often start by measuring the time elapsed. If you are benchmarking data bandwidth or latency, it is the right measure. However, if you are benchmarking computational tasks where you avoid disk and network accesses and where you only access a few pages of memory, then the time elapsed is…
132
Chiptunes on an ATtiny4 and the 3 Cent Micro
Ever since hearing about Rob Miles' Bitshift Variations in C Minor , a 4-voice polyphonic 16 minute piece of algorithmically generated music, I wanted to implement it in hardware. Getting it onto just any microcontroller seemed too easy , so I wanted it to run on the smallest µC I could find — the ATtiny4. A while…
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Quick and dirty way to rip an eBook from Android
I recently purchased a book for my MSC which was only available via a crappy Android app. There was no obvious way to decrypt it to read on a more sensible device, so I resorted to the ancient art of screenscraping. This is a quick-and-dirty way to grab images of the pages and convert them to a standard PDF using…
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Raspberry Pi Zero 2 W die shots
Teardown and analysis of electronics. Integrated circuit design analysis.
136
Reverse Engineer the BL602 WiFi Driver
What happens inside the WiFi Driver on RISC-V BL602... And how we found the incomplete source code for the driver
137
Peloton cuts back on Apple Watch support
With one of Peloton's latest updates, they have cut back the ability to connect the Apple Watch with the Bike+ Bootcamp Classes (in addition to it being already disabled for for Strength and Yoga Classes)
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What’s Wrong With The Honeywell Humidifier
Wirecutter is obsessed with the humidifier that untold numbers of purchasers despise
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iPhone 13 Pro camera review: Tanzania
The iPhone 13 Pro camera across southern Tanzania — macro, the longer telephoto, and Cinematic mode, from ants to helicopters.
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Freespin: C64 demo running on 1541 floppy drive
Freespin is a Commodore 1541 demo, released in 2021. It runs on the Commodore floppy drive. It is is the first demo on this device.
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I’m putting a WiFi router into a wall charger
Read the updated story here
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The Secret Life of Machines
SERIES 1 The Vacuum Cleaner The Washing Machine The Sewing Machine The Refrigerator The Central Heating System The Television
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Alexa leaks private wishlists
This morning, my wife noticed that Alexa was insistently flashing its little blue lights. "Alexa... Notifications?" "You have one notification. An item on your wishlist has dropped in price. The … is now only £…" And that's how my wife found out what I planned to get her for her birthday! What happened to cause this?…
148
I built a $5k Raspberry Pi server (yes, it's ridiculous)
When I heard about Radxa's Taco—a Raspberry Pi Compute Module 4-powered NAS/router-in-a-box—I knew what must be done. Load it up with as much SSD storage as I can afford, and see what it can do. And after installing five Samsung 870 QVO 8TB SSDs and one Sabrent Rocket Q NVMe SSD—loading up every drive slot on the Taco…
149
Don’t format a drive of M1 Macs from recovery mode
Because it’s a real mess to reinstall Big Sur!
150
Rust on the MOS 6502: Beyond Fibonacci
On August 15th, the following answer showed up on the Retrocomputing Stack Exchange site :