Exploring the Principles of the numeric indicator in a DIY project for kids Launching a hands-on student activity involving visual feedback requires a solid grasp of how a 7 segment display works.|The 7 segment display is the interface that allows robotic machines to safely show decimal data to human observers.} https://metmatts.blogstival.com/61410777/the-science-of-persistence-of-vision-in-7-segment-display-operation