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**28BYJ-48 Geared Stepper Motor** The **28BYJ-48** is a compact **5-wire geared unipolar stepper motor** commonly used for low-speed, high-precision positioning applications. It features a built-in reduction gearbox that increases torque and positioning accuracy while reducing output speed. Typically driven by a **ULN2003 driver module**, it is widely used in **robotics, automation, camera pan-tilt systems, valve control, and educational microcontroller projects** with Arduino, ESP32, and Raspberry Pi.