
Driver shield l293d
$2.00
Description of L293D Motor Driver Shield
The L293D Motor Driver Shield is a popular module used to control DC motors, stepper motors, and other high-power devices from an Arduino or other microcontroller. It is based on the L293D IC, which is a quadruple high-current half-H driver. This shield allows you to control the direction, speed, and braking of motors, making it ideal for robotics, automation, and other projects requiring motor control. It provides a simple interface for controlling motors via PWM (Pulse Width Modulation), which makes it efficient in various applications like robotic movement, fans, or other high-power systems.
The L293D shield can be stacked onto an Arduino board, allowing it to easily communicate with the microcontroller and power motors without the need for complex wiring or external driver circuits. It typically includes features like overcurrent protection, thermal shutdown, and the ability to control multiple motors simultaneously.
Specifications of L293D Motor Driver Shield
Motor Control
-Motor Channels: 2 (can drive two DC motors or one stepper motor)
-Motor Voltage: 4.5V to 36V (DC motors)
-Current Capacity per Channel: 600 mA continuous, 1.2A peak (per motor channel)
Motor Control Features:
-Forward/Backward direction control
-Speed control using PWM
-Motor braking function
IC and Power
-Integrated Circuit: L293D (quadruple H-Bridge)
-Operating Voltage for Logic: 5V (through the Arduino board)
-Operating Voltage for Motors: 4.5V to 36V (depends on motor voltage)
-Max Power Output: 600 mA per channel (continuous)
-Power Source: Can be powered through the Arduino (5V pin) or an external power supply for motors
Connectivity and Control
Input Pins for Motor Control:
-2 pins for controlling each motor (direction pins)
-1 PWM pin per motor for speed control
-Overcurrent Protection: Yes
-Thermal Shutdown: Yes (to prevent overheating)
Compatibility
-Compatible Boards: Arduino Uno, Mega, Leonardo, and other Arduino-compatible boards
-Communication Interface: Uses standard Arduino digital pins for motor control and PWM
Physical Features
-Form Factor: Arduino shield (can be stacked directly onto an Arduino board)
-Mounting Pins: Standard Arduino pin headers
-Dimensions: Approximately 68.6 mm × 53.4 mm (similar to Arduino Uno)
Additional Features
-Built-in Diodes: For back EMF protection from motors
-External Power Supply: Allows using higher motor voltages that the Arduino can’t supply directly
-Indicator LEDs: For status and power indications