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New Macbook Pro power efficiency and time remaining
A look at the impressive real-world power efficiency of Apple's newer MacBook Pro models and what it means for battery life.
Topics /
Hardware & Electronics
The most popular blog posts about hardware & electronics on Hacker News. 4,805 posts.
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I hacked a train toilet
The other day I rode on a Class 800 train in the UK. This is the “Intercity Express” train designed to replace the venerable HST (Intercity 125 with Mark 3 coaches, a train of which I have many memories and which I will dearly miss).
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Let’s Build a Video Card
In these videos, I talk about how VGA signals work and build a circuit that provides the correct timing of sync signals so that a monitor recognizes the signal and displays an image stored on an EEPROM.
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Generating aerial imagery with your iPhone's Lidar sensor
This technical guide details how you can create your own aerial imagery and 3D models of streets with the built in iPhone LiDAR sensor and open source tools in the OpenDroneMap package.
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Compiling my own SPARC CPU inside a cheap FPGA
Compiling a CPU, in a cheap FPGA board
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I built my own hair electrolysis machine
Axiom: body hair is cringe. That's how I feel, at least. I decided to build a machine that lets me permanently remove it using electricity.
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Antenna Diodes in the Pentium Processor
I was studying the silicon die of the Pentium processor and noticed some puzzling structures where signal lines were connected to the silico...
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Unlocking and jailbreaking are now legally protected in the U.S.
San Francisco - The Electronic Frontier Foundation (EFF) won three critical exemptions to the Digital Millennium Copyright Act (DMCA) anticircumvention provisions today, carving out new legal protections for consumers who modify their cell phones and artists who remix videos — people who, until now...
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IoT Unravelled Part 1: It's a Mess but Then There's Home Assistant
With the benefit of hindsight, this was a naïve question: > Alright clever IoT folks, I've got two of these garage door openers, what do you reckon the best way of connecting them with Apple HomeKit is? https://t.co/i0RmjSMkkD — Troy Hunt (@troyhunt) April 25, 2020 [https://twitter.com/
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RISC-V takes first step toward international ISO/IEC standardization
At RISC-V Summit North America 2025, Andrea Gallo, CEO RISC-V International, and Phil Wennblom, Chair of the ISO/IEC Joint Technical Committee (JTC 1)., announced that RISC-V International has been approved as a PAS Submitter by the ISO/IEC JTC1.
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Powerchair: A dad hacks a wheelchair for his disabled 2-year-old son
We wanted Alejandro to have a power wheelchair. We wanted him to be able to move through the world by his own volition and it’s clear that the ability to independently explore his environment is important for his cognitive development on multiple levels. We tried going through the typical process of obtaining a power…
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Building a Poor Man’s Deep Learning Camera in Python
Streaming a webcam to a deep learning model the hacker’s way
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Biometric YubiKey
Learn more about what's happening within the tech and cybersecurity industry and the developments in our business and security keys within our Yubico Blog.
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Librem 5 Smartphone: Massive Progress, Exact CPU Selected, Shipping Adjustment
Purism makes premium phones, laptops, mini PCs and servers running free software on PureOS. Purism products respect people's privacy and freedom while protecting their security.
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MIDI 2.0, first major overhaul to music interface standard from 1983
The new standard is almost here. Will it change how producers and performers make music?
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I also hacked my car
Gonçalo MB. My personal website, projects, contacts and stuff.
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The New iPad's Screen Under the Microscope
Like any self-respecting UI designer, I have a microscope 1 sitting on my desk. 2 Here are some pictures comparing a bunch of different screens. They're all taken at approximately the same magnification. 3 At the scale that the pictures were taken, the width of this bar equals about 1mm:
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No, you can’t save £30 per year by switching off your “standby” devices
Every few years, a dodgy stat does the rounds claiming you can save £££ if you switch off all your gadgets at the wall. The standby mode of your TV is bleeding you dry!!! Energy Saving Trust@EnergySvgTrustA quick way to #saveenergy at home is to turn off tablets, laptops and consoles as soon as you stop using them…
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Apple Vision Pro upgraded with M5 chip
Apple introduced the upgraded Apple Vision Pro, featuring the powerful M5 chip, the Dual Knit Band, and innovative features with visionOS 26.
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Asahi Linux with Sway on the MacBook Air M2 (2024)
I bought a MacBook Air M2. As of writing, it's very affordable with the 16 GB RAM, 256 GB SSD, 13.6" model available for $750. As of writing, also Asahi Linux doesn't support anything newer than M2.