Expanding board A 5V servo motor (servo) port connected for high-resolution and high-precision operation without jitter Supports up to 2 bidirectional DC motors with 4 PWM speed regulation (approximately 0.5% resolution) 1 stepper motor with forward and reverse control, single/double step control, interleaved or micro-step control, and rotation angle control 2-way H-bridge: L293D chip provides 0.6A (1.2A peak) per bridge, with current and thermal shutdown protection, operating voltage 4.5V to 36V Large terminal blocks for easy wiring (compatible with 10-2AWG wires) Model: L293D Motor Drive Expansion Board Product size: 35x39mm Color: Blue Material: PCB + Metal Package Contents: 5 x L293D Motor Drive Expansion Board Note: The package includes only the items listed above. Other items are not included. Note: Lighting and display differences may cause slight variations in color between the image and the actual product. Measurement allows an error of +/- 1-3cm.