Hackaday

Hack Improves Cheap Speed Controllers

Tony Goacher] has worked with a lot of cheap brushless DC motor controllers built in China. They can be very cost-effective, ...
IEEE

A Sensorless Speed Control of High-Speed BLDC Motor Using Variable Slope SMO

Abstract: Low-power and high-speed BLDC(Brushless DC) motor is widely used in vacuum cleaners. This paper presents a sensorless speed control scheme for a high-speed BLDC motor of a hand-stick vacuum ...
Today

The Mini Stepper Is Going Viral for Being a Cheap and Effective Workout. Is It Worth the Hype?

Welcome to Start TODAY. Sign up for our Start TODAY newsletter to receive daily inspiration sent to your inbox — and join us on Instagram! These days, it seems like TikTok is all about trying to sell ...
CalMatters

Allow local governments to impose rent controls

Many cities, including San Francisco and Los Angeles, limit the amount a landlord can raise the rent each year — a policy known as rent control. But for nearly 30 years, California has imposed limits ...
IEEE

Mechanisms of the Susceptibility of a Stepper Motor Control System to Narrowband IEMI Injected Through Pulse Signal Lines

Abstract: Stepper motors, widely used for precise control in robotics and intelligent systems, are vulnerable to intentional electromagnetic interference (IEMI), which can disrupt their operation by ...