Andy Geppert's Business Card Is Making Moves – As It's a Literal Brushless Motor

Andy Geppert, a mechatronics engineer and maker, has created a unique business card that doubles as a fully-functional brushless motor. The compact card includes a driver and an on-board microcontroller, designed for educational purposes. Geppert's creation allows for experimentation with control algorithms, winding configurations, rotor, and magnet designs. The business card features a schematic of the circuit and test points, with coils that can be hand-wound and a rotor that can be installed for motion. While not the most practical way to convert electricity into motion, the card aims to be a learning tool. Geppert is currently refining the design and documenting the project on Hackaday.io, with design files and source code available on GitHub. The motor's development is ongoing, with room for testing and optimization to enhance its functionality.