Collaborate Disseminate
There’s a simple reason why high-tech gadgets like PCs, TVs and smartphones are so cheap: they’re mass-produced. By spreading out huge engineering costs over equally huge production volumes, the cost …read more Continue reading Homebrew Probe Tip Etcher Makes Amazingly Sharp Needles
Although new VGA-equipped monitors can still be bought, the old standard is definitely on its way out by now, being replaced by high-speed digital interfaces like HDMI and DisplayPort. It …read more Continue reading Upgraded Graphics Gremlin Adds HDMI Video to Vintage PCs
Ever since the Raspberry Pi Pico was introduced in early 2021 we’ve seen the tiny Pi being used for an astonishing variety of applications. It has powered countless clocks, gadgets, …read more Continue reading Pi Pico Becomes SRAM for 1981 Educational Computer
Ever since humans figured out that planets move along predetermined paths in the heavens, they have tried to make models that can accurately predict their motion. Watchmakers and astronomers worked …read more Continue reading Ceiling-Mounted Orrery is an Excercise in Simplicity
In the home computer market of the 1980s, there were several winners that are still household names four decades later: the Commodore 64, the Apple II and the Sinclair Spectrum, …read more Continue reading Adding Composite Video to the Mattel Aquarius
Of all the electrical signals generated by the human body, those coming from the heart are probably the most familiar to the average person. And because it’s also quite simple …read more Continue reading Card/IO is a Credit Card-Sized, Open Source ECG Monitor
Conway’s Game of Life has been the object of fascination for computer hobbyists for decades. Watching the generations tick by is mesmerizing to watch, but programming the data structure and …read more Continue reading Wooden CNC Sculpture Displays Conway’s Game of Life
Unless you were lucky enough to be able to afford a floppy disk drive, you probably used cassette tapes to store programs and data if you used pretty much any …read more Continue reading A Modern Replacement for the ZX Spectrum’s Odd Tape Storage System
Conway’s Game of Life is a beautiful example of how complex behavior can emerge from a few very simple rules. But while it uses biological terminology such as “cells”, “alive” …read more Continue reading Solar Powered Game of Life Follows the Sun’s Rhythm
One of the great things about the Gearing Up challenge of the 2023 Hackaday Prize is that it lets you discover tools that you don’t encounter every day. We had …read more Continue reading Hackaday Prize 2023: Homebrew Spin Coater Makes Micrometer-Thin Layers