Collaborate Disseminate
What is a brushless ESC, really? Well, generally, it’s usually a microcontroller with a whole lot of power transistors hanging off it to drive three phases of brushless motor coils. [Frank …read more Continue reading Brushless ESC Becomes Dual-Motor Brushed ESC With A Few Changes
Sometimes, a little puny matchbox-sized electronic speed controller (ESC) won’t do the job. If you find yourself looking for something heftier, say, in the range of hundreds of amps, you …read more Continue reading 300 Amps Through an Open Source Speed Controller
Conventional wisdom says that rigidity is the name of the game when it comes to machine tool performance. After all, there’s got to be a reason for CNC machines that …read more Continue reading Spindle Upgrade Makes PocketNC Faster and Smoother
So it’s 2023, and you really feel like we should have flying cars by now, right? Well, as long as you ignore the problem of scale presented by [Nick Rehm]’s …read more Continue reading Fly Like You Drive With This Flying RC Drift Car
A lot of what real engineering is all about is designing to the limits of your materials, with a healthy margin for error. On the other hand, seat-of-the-pants engineering often …read more Continue reading Fail of the Week: Car Starter Motors Aren’t the Best Fit for eBikes
To our way of thinking, the whole purpose behind robotic vacuum cleaners is their autonomy. They’re not particularly good at vacuuming, but they are persistent about it, and eventually get …read more Continue reading Old Robotic Vacuum Gets a New RC Lease on Life
It’s getting close to the time of year when we need to start carefully vetting projects here at Hackaday. After all, nobody likes to get punked by an early April …read more Continue reading 3D-Printed Parts Let You Assemble Your Own Biggest Fan
Since the dawn of the age of the automobile, motorheads have been obsessed with using as few wheels as possible. Not satisfied with the prospect of being incompletely maimed by …read more Continue reading Monowheel Mayhem: When Good Gyroscopic Precession Goes Bad
Your garden variety automotive alternator is ripe for repurposing as is, but with a little modification, it can actually be used as a surprisingly powerful brushless motor. Looking to demonstrate …read more Continue reading Modified Car Alternator Powers Speedy DIY e-Bike
If there’s one bright spot on the blight that is this pandemic, it’s got to be all the extra time we’re spending with our pets. Dogs especially love that we’re …read more Continue reading Auto Ball Launcher Will Be Your Dog’s New Best Friend