Collaborate Disseminate
There’s a part you’ll find in almost every mains powered switch mode power supply that might at first appear to have only one application. An optocoupler sits between the low …read more Continue reading 2025 Component Abuse Challenge: The Opto Flasher
Such are the breadth of functions delivered by integrated circuits, it’s now rare to see a simple small-signal transistor project on these pages. But if you delve back into the …read more Continue reading All Hail The OC71
The flip-flop, in whichever of its several forms you encounter it, is a staple of logic design. Any time that you need to hold onto something, count, or shift bits, …read more Continue reading 2025 Component Abuse Challenge: A Bistable Flip-Flop With A Fuse
In previous episodes of this long-running series looking at the world of high-quality audio, at every point we’ve stayed in the real world of physical audio hardware. From the human …read more Continue reading Know Audio: Lossy Compression Algorithms And Distortion
The basic principles of a motion picture film camera should be well understood by most readers — after all, it’s been well over a hundred years since the Lumière brothers …read more Continue reading A 3D Printed 16mm Movie Camera
As a Hackaday writer, I see a lot of web pages, social media posts, videos, and other tips as part of my feed. The best ones I try to bring …read more Continue reading Exploding The Mystical Craftsman Myth
It’s something of a shock to be reminded that Microsoft’s Windows 95 is now 30 years old — but the PC operating system that brought 32-bit computing to the masses …read more Continue reading Windows 95, With Just a Floppy Drive
Our Hackaday colleague [Bil Herd] is known for being the mind behind the Commodore 128, a machine which famously had both a 6502 and a Z80 processor on board. The …read more Continue reading The Isetta TTL Computer Makes Some Noise
Back in 2016, we took you to a collection of slightly dilapidated prefabricated huts in the English Home Counties, and showed you a computer. The place was the National Museum …read more Continue reading Tommy Flowers: How An Engineer Won The War
The first generation of real-time train information screens for British railways came in the form of suspended color CRTs in familiar rounded fiberglass housings. They were a ubiquitous sight across …read more Continue reading British Train Departures As They Should Be Viewed