Detailed Description:
The L293D Motor Driver Shield for Arduino is an indispensable tool for robotics and automation projects, transforming an Arduino board into a powerful control hub for motors and actuators. This specialized expansion board eliminates the need for complex wiring and breadboards, allowing you to quickly and safely connect and control motors. At its core, the shield uses the reliable L293D IC, which provides two separate H-bridges to drive up to four DC motors or two stepper motors simultaneously. This capability makes it the perfect solution for building a four-wheel-drive robot or any project that requires coordinated motor movement.
In addition to its robust motor control, the shield also includes dedicated headers for controlling up to two hobby servos. This dual functionality—simultaneously managing DC motors for locomotion and servo motors for steering or articulation—makes it incredibly versatile for mobile robotics and robotic arm projects. The L293D shield can supply a continuous current of 600mA per channel, with a peak rating of 1.2A, and can handle a separate motor supply voltage from 4.5V to 36V, ensuring compatibility with a wide range of motors. Its user-friendly design with clearly marked terminals and a convenient library of code makes it the perfect choice for beginners and experienced makers looking to rapidly prototype and build their projects.
The L293D Motor Driver Shield is based on the L293D dual H-Bridge IC, allowing it to drive up to 4 DC motors or 2 stepper motors with individual PWM speed and direction control. It includes an onboard 5V regulator and supports 2 servo motor outputs directly from the Arduino pins.
Perfect for Arduino UNO R3 or compatible boards, the shield includes screw terminals for external power input, making it suitable for high-power motor applications. It is plug-and-play, stackable, and compatible with Arduino IDE libraries like AFMotor.h.
Key Features:
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Controls 2 DC motors, 1–2 stepper motors, or 2 servos
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Up to 600mA per motor channel (peak 1.2A)
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4 H-Bridge motor control outputs (L293D IC)
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Separate motor and logic power inputs (with jumper option)
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Built-in 5V regulator for Arduino and servos (with jumper)
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PWM speed control & direction control via digital pins
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Stackable shield format, compatible with Arduino UNO/Nano
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Onboard reset button and power LED indicator
Technical Specifications:
Parameter |
Specification |
Motor Channels |
2 DC motors or 1 stepper motor (4 channels) |
Max Motor Voltage |
4.5V to 36V DC |
Max Motor Current |
600mA per channel (1.2A peak) |
Logic Voltage |
5V (from Arduino or onboard regulator) |
Servo Channels |
2 (PWM via pin 9 and 10) |
Motor Driver IC |
L293D Dual H-Bridge IC (x2) |
Dimensions |
~70mm x 55mm x 15mm |
How to Use (Arduino):
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Mount shield onto Arduino UNO.
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Connect DC motors to M1, M2, M3, M4 terminals.
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Upload your sketch using AFMotor library:
Install with: Sketch → Include Library → Manage Libraries → AFMotor
Arduino Code Example:
Applications:
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Robotic car and automation projects
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Line-following and obstacle-avoiding robots
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DIY CNC machines and drawing bots
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Smart irrigation and motorized gates
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STEM education kits and teaching aids
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Arduino-based servo & motor control systems
Package Includes:
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1 x L293D Motor Driver Shield for Arduino
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(No motors, Arduino board, or power adapter included)