L293D Motor Driver Shield for Arduino.

  

₹179

The L293D motor driver shield is a popular component used to control DC motors, stepper motors, and other types of motors with microcontrollers like Arduino. It's based on the L293D integrated circuit (IC), which is a quadruple high-current half-H bridge driver. This allows it to control the speed and direction of motors using Pulse Width Modulation (PWM) and logic signals.

Key Features of the L293D Motor Driver Shield:

1. Motor Control: It can control up to two DC motors or one stepper motor simultaneously.
2. Current and Voltage: It can handle up to 600mA continuous current per channel (1.2A peak), with a voltage range typically from 4.5V to 36V, making it suitable for a variety of motor types.
3. PWM Support: It supports PWM (Pulse Width Modulation) to control motor speed.
4. Direction Control: It can drive motors in both forward and reverse directions.
5. Integrated Protection: It provides built-in diodes for back EMF protection, which is important when controlling motors, as motors can generate voltage spikes that could damage the driver.
6. Stackable Design: The shield is designed to easily mount on an Arduino board, and it can be stacked with other shields, allowing users to add more functionalities.

Connections:

• Motor Power (Vcc2): Powers the motors. This voltage is different from the Arduino's operating voltage (typically 5V) and should be chosen based on the motor's specifications.
• Logic Power (Vcc1): Powers the logic circuitry of the L293D (usually 5V).
• GND: Ground connections for both the Arduino and the motor power supply.
• Motor A/B Terminals: Connects the motors to the L293D shield.

Typical Use Cases:

• Arduino Projects: For controlling motors in robotic projects, such as wheeled robots, drones, or other motorized applications.
• Speed Control: Using PWM to vary the motor speed in real-time.
• Direction Control: Enabling motor direction control, making it ideal for driving both forward and reverse motor operations.

Example Circuit:

To control a motor, you typically:

1. Connect the shield to the Arduino.
2. Connect the motor to the output terminals.
3. Use the Arduino's pins to send control signals (e.g., HIGH/LOW for direction and PWM for speed control).
4. Power the motor with an appropriate external power source.

This motor driver shield is a versatile and easy-to-use solution for many hobbyist and educational robotics projects.