L293D Motor Driver Arduino Shield – Dual H-Bridge DC Motor and Stepper Motor Controller The L293D Motor Driver Shield is an easy-to-use expansion board designed for controlling DC motors, stepper motors, and servos with an Arduino. Built around the L293D dual H-bridge motor driver IC, this shield allows you to drive up to 4 DC motors or 2 stepper motors simultaneously, with individual speed and direction control. It integrates onboard headers for servo control, screw terminals for motor outputs, external power supply support, and logic-level pins for seamless integration with Arduino UNO, Mega, and other compatible boards. Perfect for robotics, automation, and motion control projects, this shield simplifies motor control for both beginners and advanced users. Key Features Based on L293D dual H-bridge IC Controls up to 4 DC motors or 2 stepper motors Individual speed and direction control via PWM Compatible with Arduino UNO, Mega, and similar boards 2 servo motor headers with 5V direct power External power terminal for motor supply (up to 36V) Built-in flyback diodes for back EMF protection Product Specifications Feature Specification IC Used L293D (Dual H-Bridge Motor Driver) Motor Channels 4 DC motors or 2 stepper motors Operating Voltage 4.5V – 36V (motor supply) Logic Voltage 5V (powered by Arduino) Continuous Current Up to 600mA per motor channel Peak Current 1.2A per channel (short duration) Servo Support 2 x servo headers (powered via 5V rail) PWM Support Yes (via Arduino’s PWM pins) External Power Connector Yes (screw terminals or 2-pin jumper) Dimensions ~68mm x 53mm (Arduino shield form factor) Compatible Platforms Arduino UNO, Mega, Leonardo, etc. Applications DIY robotic cars and arms Stepper-based CNC and 3D printer controls Smart home motorized systems RC vehicles and automation projects Educational and prototyping platforms
