Building a drone from scratch using the ESP32 microcontroller combines electronics, programming and engineering into a single project. Spencer Baum explains key foundational concepts, such as how ...

Producing an all-new vehicle has, historically, been something of a five-year-long relay race, at least for the world’s major automakers. General Motors is hoping to change that, however. The ...

Valve’s Steam Controller can produce music even though it doesn't have any built-in speakers and was never designed for audio output It's possible thanks to the haptic motors present in the controller ...

A starter is a device used to limit the high starting current in a DC motor to a safe value. It achieves this by adding a variable external resistance in series with the armature circuit, which is ...

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How current-control loops in BLDC motors improve performance and efficiency while protecting against overcurrent conditions. The differences between current-control loops, field-oriented control (FOC) ...

The design of different three-phase brushless DC motors and how they generate torque. How magnetics, construction, and other factors impact torque, speed, and smoothness in BLDC motors. General ...

A former Washington DC air traffic controller on duty the night of the fatal January 2025 mid-air collision involving an American Airlines plane and a US Army helicopter warned how there were “obvious ...

In this article, IDTechEx discusses the benefits, challenges, and solutions to developing high speed electric motors, with a look at public announcements. 2025 has seen a slew of announcements for ...

Abstract: This paper proposes a sensorless speed control method for brushed dc motors that extends the usable speed estimation range by combining current-ripple analysis with high-frequency signal ...