See the power of a Lego motor lifting an 88kg granite rock to a height of 20 cm in just 21 minutes. To achieve this, the string collection width was increased from 1 to 2 Lego units, and Technic ...

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 ...