Categoria: Hackaday (https://hackaday.com/)

2025 Pet Hacks Contest: Automatic Treat Dispenser Makes Kitty Work For It
Treat dispensers are old hat around here, but what if kitty doesn’t need the extra calories — and actually needs…

Your Own Core Rope Memory
If you want read-only memory today, you might be tempted to use flash memory or, if you want old-school, maybe…

LED Layer Makes Plywood Glow
Plywood is an interesting material: made up of many layers of thin wood plys, it can be built up into…

RADUGA: The Retro Computer from Behind the Curtain
When [Kasyan] was six years old, he saw a RADUGA computer, a Russian unit from the 1990s, and it sparked…

RTEMS Statement Deepens libogc License Controversy
Earlier this month we covered the brewing controversy over libogc, the community-developed C library that functions as the backbone for…

Remembering Memory: EMS, and TSRs
You often hear that Bill Gates once proclaimed, “640 kB is enough for anyone,” but, apparently, that’s a myth —…

The World’s Longest Range LED Flashlight
[ApprehensiveHawk6178] reports that they have made the world’s longest range LED flashlight! While technically “handheld”, you’re gonna need both hands…

Work, Eat, Sleep, Repeat: Become a Human Tamagotchi
When [Terence Grover] set out to build a Tamagotchi-inspired simulator, he didn’t just add a few modern tweaks. He ditched…

Semiconductor Simulator Lets Your Play IC Designer
For circuit simulation, we have always been enthralled with the Falstad simulator which is a simple, Spice-like simulator that runs…

Unwinding an Unusual Slide Rule
If the Otis King slide rule in [Chris Staecker’s] latest video looks a bit familiar, you might be getting up…