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Hardware & Electronics

The most popular blog posts about hardware & electronics on Hacker News. 421 posts.

2022
361

uLisp on the Raspberry Pi Pico

The RP2040 is a microcontroller chip designed by Raspberry Pi in the UK. It's a dual-core ARM Cortex M0+ running at 200 MHz which provides up to 16 MB of off-chip flash and 264 KB on-chip RAM. It has 30 GPIO pins, 4 of which can be used as analogue inputs, two UARTs, two SPI controllers, two I2C controllers, and 16…

364

The keyboard controller

One of the more common arguments you hear in contemporary computer security circles is about hardware trust and embedded controllers. Technologies like Intel ME, the ARM Secure Element, TPMs, etc, remind us that the architecture of the modern computer is complex and not entirely under our control. A typical modern…

371

The Sad Saga of the 500 MHz Power Mac G4

In August 1999, Apple announced the first Power Mac G4: 1 The Power Mac G4 is powered by the revolutionary new PowerPC G4 chip architected by Apple, Motorola and IBM, and is the first personal computer in history to deliver supercomputer-level performance of over one billion floating-point operations per second. The…

377

Review of the Kinesis Advantage360 Professional

The Advantage360 Professional is the successor to the well-known Advantage2. It comes with several new features, such as Adjustable Split, Wireless connection, Tenting, ZMK (highly customizable firmware), and many other minor things. In this blog post, I will explain the significant design changes and my experiences…

378

Keeping POWER relevant in the open source world

I’m not a POWER (or recently: Power) expert, only an enthusiastic user and advocate. Still, in the past couple of weeks a number of people from around the world asked my opinion how the POWER architecture could be kept relevant. This blog is really just an opinion, as I do not have the financial means to go ahead. It…

386

Classic 50mm “Normal” Lens

So, there you are, the proud parents of a beautiful new baby, and you can hardly contain your excitement as you unwrap that new 35mm camera kit you bought to document your child’s early years. Although you’ve had a point-and-shoot camera for a while, you wanted to step up to a “real” camera for the kind of quality…