It's easy to think about tinkering around with Arduino, but take more than 30 seconds to look at the platform, and suddenly it becomes daunting: not only do you need an Arduino itself, but to get ...

Brushless motors are ubiquitous in RC applications and robotics, but are usually driven with low-cost motor controllers that have to be controlled with RC-style PWM signals and don’t allow for much ...

A teacher I know is stuck, with only npn transistors in the supply cupboard and the need to create a reversible motor drive for an Arduino project. Reversing ‘bridges’ have four switches (relay ...