A custom PCB holding an ESP32 and DRV8833 dual H-bridge motor controller is used to interface with standard LEGO motors using their stock block-like connectors.

“The SwarmDrive board contains a basic motor driver setup together with a powerful, Wi-Fi-and-Bluetooth-enabled microcontroller (ESP32) and USB connectivity. SwarmDrive enables professionals as ...

Building an electric motor isn’t hard or technically challenging, but these motors have very little in the way of control. A stepper motor is usually employed in applications that need precis… ...