His latest project is a sophisticated line follower. You’ve probably seen “bang-bang” line followers that just use a photocell to turn the robot one way or the other.

While child-sized humanoid robots like the Unitree R1 have come down in price, not everybody has a spare $6,000 to throw ...

Posted in how-to, Toy Hacks, Wireless Hacks Tagged ball bearing, ball bot, bb, BB-8, desktop toy, illusion, inductive charger, line follower, line following robot, linefollowing, Marblevator ...