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**TB6600 Stepper Motor Driver** A high-performance stepper motor driver designed to control 2-phase stepper motors with smooth, precise motion. It supports adjustable current and microstepping, making it ideal for CNC machines, 3D printers, laser engravers, and other automation projects. **Features:** * Operating voltage: **9–42V DC** * Output current: **Up to 4.0A** * Adjustable microstepping (up to 1/32 step) * Built-in overcurrent, overvoltage, and overheating protection * Compatible with Arduino, ESP32, STM32, Raspberry Pi, PLCs, and other controllers.