Here’s a nice little circuit that will drive a motor and allow you to stop its rotation, giving your robot a set of brakes. It’s part of [JM’s] post about the in’s and out’s of building ...

Of course, their different applications make them anything but equivalent, as the bike motor is designed for high torque at low speed while the drone motor has very little torque but plenty of speed.

EPC is offering a three-phase motor driver evaluation board built around 80V 3.6mΩ GaN power transistors, sized for drones, robotics and e-bikes. “The small size of this inverter allows integration ...