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Hardware & Electronics

The most popular blog posts about hardware & electronics on Hacker News. 460 posts.

2026
305

Lego building instructions through time

Building instructions. The silent helper that without a single word guides you, step by step, to transform your pile of bricks to fantastic creations. The tool that shows you building techniques and gives you a solid foundation for further exploring the wonders of the LEGO ® brick. Let’s take a look at some of the…

307

Exploring a Modern SMTPE 2110 Broadcast Truck

In October, my Dad and I got to go behind the scenes at two St. Louis Blues (NHL hockey) games, and observe the massive team effort involved in putting together a modern digital sports broadcast. I wanted to explore the timing and digital side of a modern SMPTE 2110 mobile unit, and my Dad has been involved in studio…

311

Dell's version of the DGX Spark fixes pain points

Dell sent me two of their GB10 mini workstations to test: In this blog post, I'll cover the base system, just one of the two nodes. Cluster testing is ongoing, and I'll cover things like AI model training and networking more in depth next year, likely with comparisons to the Framework Desktop cluster and Mac Studio…

321

VHDL's Crown Jewel

How VHDL preserves determinism In this post, I would like to talk about VHDL’s crown jewel: how it preserves determinism in a concurrent language. Here is a figure of how it works:

324

Patching my guitar amp's firmware

I’m having a lot of fun with reverse engineering lately, so when I was looking over the service manual for my guitar amp, a Yamaha THR10c, and saw references to a UART header in the schematic, I got excited. I wondered if anything cool was hiding in there. Next to it was a JTAG header. I knew next to nothing about…

326

ECC and DDR5

Hamming Codes ECC RAM corrects errors that occur in memory before it gets to the CPU. The most common form of ECC is the Hamming Code [1] which when it has R redundant bits can correct single bit e…

327

PC Engine CPU

You are seeing this because the administrator of this website has set up Anubis to protect the server against the scourge of AI companies aggressively scraping websites. This can and does cause downtime for the websites, which makes their resources inaccessible for everyone.

330

My favorite keyboards

When I started using computers, we had a Sinclair ZX Spectrum at home and a nano-reseau of Thomson MO5 s at elementary school. I distinctly remember how unpleasant it was to type with them. These must have been the worst keyboards I ever used [1] . Ever since, I have paid close attention to the keyboards I use. Here…