Collaborate Disseminate
Part of setting up a microcontroller when writing a piece of firmware usually involves configuring its connections to the outside world. You define a mapping of physical pins to intenral …read more Continue reading 2025 Component Abuse Challenge: An Input Is Now An Output
Each year around the end of October we feature plenty of Halloween-related projects, usually involving plastic skeletons and LED lights, or other fun tech for decorations to amuse kids. It’s …read more Continue reading The Time Of Year For Things That Go Bump In The Night
If you cultivate an interest in building radios it’s likely that you’ll at some point make a simple receiver. Perhaps a regenerative receiver, or maybe a direct conversion design, it’ll …read more Continue reading How Simple Can A Superhet Be
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