Description
This Mini Motor Drive Shield Expansion Board L293D Module for Arduino UNO MEGA 2560 is a monolithic integrated high-voltage, high-current four-channel driver designed to accept standard DTL or TTL logic levels and drive inductive loads (such as relays, solenoids, DC motors, and stepping motors) alongside switching power transistors.
To simplify operation as dual H-bridges, each pair of channels is equipped with an independent enable input. A separate logic supply input allows the system to operate at lower voltages, while internal clamp diodes handle inductive kickback safely. This device is optimized for switching applications at frequencies up to 5 kHz.
Key Features
- Enable Facility: Independent channel enable pins for precise power management and speed control.
- Overtemperature Protection: Built-in thermal shutdown circuit prevents permanent damage during high-load operations.
- High Noise Immunity: Accepts logical “0” input voltages up to 1.5V for reliable switching in electrically noisy environments.
- Internal Clamp Diodes: Protects logic circuitry from voltage spikes generated by inductive motor loads.
- Stackable Shield Design: Easily mounts on top of Arduino UNO, Mega 2560, and compatible development boards without messy jumper wiring.
Benefits
- Rapid Prototyping: Eliminates external breadboard wiring by sliding directly onto standard Arduino pin headers.
- Versatile Load Handling: Capable of driving small DC motors, unipolar/bipolar stepper motors, solenoids, and high-power relays simultaneously.
- Space-Saving Layout: Compact physical footprint (40 x 35.5 x 12.5 mm) fits neatly inside tight robotic enclosures.
Applications
- Educational & Hobby Robotics: Perfect motor shield for building Arduino-based line-following robots, obstacle-avoiding rovers, and maze-solving micro-mouse carts.
- Automated Mechanical Pan-Tilt Units: Drives small stepper motors or DC gearmotors for automated camera gimbals, sensor positioning arrays, and tracking mounts.
- Miniature Conveyor & Sorting Rigs: Start-stop and directional control for small auxiliary material handling belts and sorting mechanisms in maker projects.
- Automated Laboratory Test Fixtures: Low-voltage motor governance for custom automated fluid sampling trays, optical carousels, and testing jigs.
- Prototyping Automation Assemblies: Essential expansion board for testing microcontroller-driven actuators, locking solenoids, and multi-motor robotics projects.
Package Includes
- 1 x Mini Motor Drive Shield Expansion Board L293D Module
Specifications
| Parameter | Specification |
|---|---|
| Item Type / Series | Motor Driver Shield / L293D Expansion Board |
| Target Microcontrollers | Arduino UNO, Arduino MEGA 2560 (and compatible pinouts) |
| Driver IC Model | L293D Quadruple Half-H Drivers |
| Input Supply Voltage (VM) | 4.5V to 25V DC |
| Continuous Output Current | 600 mA per channel (0.6 A) |
| Peak Output Current | 1.2 A per channel |
| Max Switching Frequency | Up to 5 kHz |
| Number of Controllable Motors | Up to 2 DC Motors (Bidirectional) or 2 Stepper Motors |
| Safety Protections | Overtemperature Thermal Protection & Internal Clamp Diodes |
| Physical Dimensions (L x W x H) | 40 × 35.5 × 12.5 mm | Net Weight: ~10g |
| Shipping Dimensions & Weight | 5 × 5 × 2 cm | Shipping Weight: 0.015 kg |
