R2D2
Spain
Asked
— Edited
It has certainly started a robotics career similar to the space race!
Read Digital
— Read TTL digital input from an ARC I/O port; real-time red/green status for low (0V) or high (+3.3/5V), selectable board/port and read interval.
Try it →
Looks like a slight advance on office chair casters. All these adaptations are great but ultimately it comes down to energy efficiency and how robust they are. I must admit they do look impressive.