This category is dedicated to Interface C, a next-generation LEGO® Power Functions–compatible motor controller. Discuss firmware updates, hardware builds, assembly guides, and projects powered by its Arduino ESP32 core.

This category is for the Raspberry Pi-powered device that seamlessly integrates with your LEGO® Control Lab Interface B serial port. It offers a swift and effortless solution for controlling up to eight motors via an intuitive web interface. Visit site.

This category is for discussions, resources, and support around the classic Control Lab IO system. Discuss the original hardware and legacy software. Visit site.