Collaborate Disseminate
How do you get images downlinked from 30 km up? Hams might guess SSTV — slow scan TV — and that’s the approach [desafloinventor] took. If you haven’t seen it …read more Continue reading Pictures from a High Altitude Balloon
Back in the early 1900s, before calculators lived in our pockets, crunching numbers was painstaking work. Adding machines existed, but they weren’t exactly convenient nor cheap. Enter Vilin Vinson and …read more Continue reading Math, Optimized: Sweden’s Maximal Multi-Divi
Around these parts, projects needlessly using a microcontroller where a simpler design would do are often derided with the catch-all “Should have used a 555,” even if the venerable timer …read more Continue reading Chase Light SAO Shouldn’t Have Used a 555, and Didn’t
There’s many different reasons why somebody might have to hack together their own solution to a problem. It could be to save money, or to save time. Occasionally it’s because …read more Continue reading Rolling Foam Cutter Gives Mattress a Close Shave
It all started with a gift idea: a star-field lamp in the form of a concrete sphere with lightpipes poking out where the stars are, lit up from the inside …read more Continue reading “Unnecessary” Automation of a DIY Star Lamp Build
Doing it yourself may not get you the most precise lab equipment in the world, but it gets you a hands-on appreciation of the techniques that just can’t be beat. …read more Continue reading Building the Simplest Atomic Force Microscope
We know how [Techmoan] feels. In the 1980s we had a bewildering array of oddball gadgets and exciting new tech. But as kids we didn’t have money to buy a …read more Continue reading Card Radios Remembered
Pong was one of the first video games to really enter the public consciousness. While it hasn’t had the staying power of franchises like Zelda or Call of Duty, it nonetheless still resonates …read more Continue reading Building a Handheld Pong Game
A piece of musical history is the Maplin 4600, a DIY electronic music synthesizer from the 1970s. The design was published in an Australian electronics magazine and sold as a …read more Continue reading Reviving a Maplin 4600 DIY Synthesizer From the 1970s
With inexpensive microntrollers capable of the most impressive feats of sound synthesis, it’s not so often we see projects that return to an earlier style of electronic music project. The …read more Continue reading Probably The Simplest Sequencing Synth