A Modern Take on the “Paperclip Computer”
Back in 1968, a book titled “How to Build a Working Digital Computer” claimed that the sufficiently dedicated reader could assemble their own functioning computer at home using easily obtainable...
View Article3D Printing for Wire Paths Yields An Arduboy Minus The PCB
What is part way between a printed circuit board and a rats-nest of point-to-point wiring? We’re not sure, but this is it. [Johan von Konow] has come up with an inspired solution, 3D printing an...
View ArticleLightbulb Glows When You Have That Eureka Moment
We’re not entirely sure where the lightbulb-idea concept came from, but it’s a cultural touchstone rapidly becoming outmoded by the prevalence of compact fluorescent and LED lighting. Despite this,...
View ArticleA Barn Find 6502 Is Restored
The phrase “Barn find” is normally associated with the world of older cars, where enthusiasts live in the hope that they may one day stumble upon a dusty supercar lurking unloved for decades on a...
View ArticleSort the Rainbow with an Algorithm Machine
When you’re trying to learn how an algorithm works, it’s not always easy to visualize what’s going on. Well, except for maybe binary sort, thanks to the phone book. Professor [thatguyer] is a computer...
View ArticleWhy Settle For the Standard Catan Board?
Let’s face it, game night can get downright rowdy. Whether your game nights involve wine and cats, beer and dogs, or vodka and bear cubs, things happen. Maybe the robber gets batted irretrievably far...
View ArticleHackaday Links: February 9, 2020
In case you thought that we learned everything we need to know to land on the Moon fifty years ago, think again. NASA still has a lot of questions, and has scheduled the first of many commercial...
View ArticleC#, The Language For All Platforms – Now Including Windows 3.11 And DOS
The Microsoft .NET framework has been with us in one form or another since the millennium, and though it has remained largely the preserve of the Microsoft universe, it has found its way since then...
View ArticleSimple 3D Printed Robotic Arm Uses Compliant Mechanism
Learning through play is effective for humans of all ages, and since 2016 [slantconcepts] has been designing STEM kits that help teach kids to build their future overlords. They are launching version...
View ArticleRecreating Fast Oscilloscopes is a Slow Process
If you want to do something you’ve never done before, there are two broadly-defined ways of approaching it: either you learn everything you can about it and try to do it right the first time, or you...
View ArticleHuge Seven Segment Display Made From Broken Glass
A staple of consumer devices for decades, seven segment displays are arguably one of the most recognizable electronic components out there. So it’s probably no surprise they’re cheap and easy to source...
View ArticleConverted Car Lets Toddlers Tool Around
A few years ago, a professor at the University of Delaware started a project called Go Baby Go. It’s designed to bring fun and affordable mobility to small children with disabilities. The idea is to...
View ArticleWelcome to McDonald’s; Would You Like 3D Printing Resin with That?
University of Toronto researchers have succeeded in converting used cooking oil — from McDonald’s, no less — into high-resolution 3D printing resin. Your first response might be: “Why?”, but thinking...
View ArticleFake That Fireplace Flicker With Flame Bulbs
Ask anyone who’s ever tuned into Fireplace TV on a cold winter’s night — even though you can’t feel the heat or roast a marshmallow with it, fake fire is almost as soothing as the real thing. And if...
View ArticleCheap Strain Relief By Casting Hot Glue in a 3D Print
[Daniel Roibert] found a way to add cheap strain relief to JST-XH connectors, better known to hobby aircraft folks as the charging and balance connectors on lithium-polymer battery packs. His solution...
View ArticleBuild Your Own Active Load
When it comes to testing power supplies, it’s useful to have a dummy load to put the gear through its paces. While it’s possible to just use some old heating elements or other big resistors, an active...
View ArticlePortable Pizza Oven Does The Job, And Fast
Pizza ovens are a fun thing to have in your back yard, and often wood is the fuel of choice for that smoky, rustic charm. However, [Andrew] is a fan of speed, leading him to prefer propane when it...
View ArticleName that Unknown RF Signal with a Little FFT Magic
Time was once that the amateur radio bands were an aurally predictable place. Spinning the dial up and down the bands, one heard familiar sounds – the staccato of Morse, the [Donald Duck] of sideband...
View ArticleCustom Firmware For Cheap Smart Bulbs Is A Cinch To Tinker With
It’s the end of another decade, and while we don’t have real hoverboards, flying cars, or affordable dental care, we do have multicolored lightbulbs you can control over WiFi. [Don Howdeshell] picked...
View ArticleIn Pursuit of Haptics for a Better VR Experience
Virtual reality holds the promise of an immersive experience that can satisfy our senses to a level comparable with… well, reality. The field has come a long way, but Sarah Vollmer makes a good point...
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