Collaborate Disseminate
There is a gotcha lurking in wait for hackers who look at a piece of equipment, see a port labeled “Serial / RS-232”, and start to get ideas. The issue …read more Continue reading DIY Wireless Serial Adapter Speaks (True) RS-232
Most people would recognize E.T. The Extra-Terrestrial for the Atari 2600 by its reputation as one of the worst video games of all time. We’ll have more to say about …read more Continue reading E.T. Video Game Gets Re-Imagined in 10 Lines of BASIC
This is a story about a successful system that nevertheless failed to make the cut. An experimental LED brightness adjustment is something [Mitxela] explored in a project for a high-precision …read more Continue reading LED Brightness Adjustment Uses Itself as Sensor
For people who work with wheeled robots or RC vehicles, sooner or later one gets interested in making custom tires instead of dealing with whatever is available off the shelf. [concreted0g]’s …read more Continue reading Solid Tips for Casting Colored Silicone Tires
Early LED displays came in all sorts of configurations. Because the LED was fairly new technology, all kinds of ideas were getting tried, and with all that work there was …read more Continue reading This Vintage LED Matrix Lives in a Gold Bathtub
Here’s how FreeCAD works: the program’s design space is separated into different “workbenches”, each of which is intended for a particular set of operations, and a piece of work can …read more Continue reading FreeCAD Takes Off With a Rocket Design Workbench
This mini handheld chainsaw by [Make it Extreme] is based around an electric motor from a car door, the same ones used to raise and lower car windows. They are …read more Continue reading Electric Window Motor Becomes Mini Chainsaw
Back before LED technology came into its own, displays used incandescent bulbs. These vintage incandescent displays weren’t necessarily big; the Eaton 925H-C fiber optic display, for example, has numbers barely …read more Continue reading Over-Engineered Incandescent Numerical Display Shows Great Workmanship
[Jacob Stanton]’s design for 3D-printable, stacking and locking boxes is a great example of design for manufacturability (DFM). MicroStacks show how part of good DFM is taking the manufacturing method’s …read more Continue reading To Lovers of Small Boxes: a 3D Printable Design Just for You
A cutdown in high-altitude balloon (HAB) parlance refers to detaching a payload, and can refer to the act of severing a line or to the mechanism itself. How is this …read more Continue reading Archery Release Becomes Reusable Balloon Cutdown Mechanism