3D Printed Hydrofoil Goes From Model Scale To Human Scale With Flight Controller

[ad_1] Hydrofoils have been around for several decades, but watching a craft slice through the water with almost no wake never get old. In the videos after the break, [rctestflight] showcases his ambitious project: transforming a standup paddleboard into a rideable hydrofoil with active stabilization. Unlike conventional electric hydrofoil boards that depend on rider skill […]

Automated Pixel Art With Marbles

[ad_1] Marble machines are a fun and challenging reason to do engineering for the sake of engineering. [Engineezy] adds some color to the theme, building a machine to create 16×16 marble images automatically. (Video embedded below.) The core problem was devising ways to sort, lift, place, and dump marbles in their correct positions without losing […]

Why Electric Trains Sound The Way They Do

[ad_1] If you’re a seasoned international rail traveler you will no doubt have become used to the various sounds of electric locomotives and multiple units as they start up. If you know anything about electronics you’ll probably have made the connection between the sounds and their associated motor control schemes, but unless you’re a railway […]

Quake In 276 KB Of RAM

[ad_1] Porting the original DOOM game to various pieces of esoteric hardware is a rite of passage in some software circles. But in the modern world, we can get better performance than the 386 processor required to run DOOM for the cost of a dinner at a nice restaurant, with plenty of other embedded systems […]