Discover how David Aguilar turned Lego bricks into a functional prosthetic arm, redefining ingenuity. 19 Inventors You’ve Never Heard Of Who Shaped The World The Honda Prologue Was The Surprise ...
When a tennis ball is lifted up, a Lego arm is actuated. It looks like a servo is used to move the Lego arm so it hits a switch. An Arduino is used to detect this and send a message to their computer.