Many people start robotic arms with hobby servos—small, simple, and cheap. But hobby servos apply constant torque, so they crush cans and break eggs. Servo motors with FOC use current feedback to sense grip force in real time, enabling stable, precise handling of eggs and tofu. Tune the current-loop parameters and load inertia ratio for immediate results. For robotics components, the latest science news, and practical technical tutorials, explore Eriksen.