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. That means the board is a drop-in ...

This is exactly what [MarkMakies] did with a simple RC rover design from an old Makerbot Replicator clone. Using a stepper motor to directly drive each wheel, this rover proves its ability to ...

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