NodeMCU Motor Shield Board L293D For ESP-12E From ESP8266 Esp

 

₹199

The NodeMCU Motor Shield Board L293D for ESP-12E from ESP8266 is an expansion board designed to control motors using the ESP8266-based NodeMCU board, specifically the ESP-12E variant. Here’s a breakdown of its key features and functions:

Key Features:

1. L293D Motor Driver IC:

   • The board integrates the L293D motor driver IC, which is a popular H-Bridge IC used to control the direction and speed of DC motors, stepper motors, and other types of motors.
   • The L293D can drive up to two DC motors, providing forward/reverse motion control.

2. NodeMCU Compatibility:

   • It is specifically designed to work with the ESP8266-based NodeMCU board (ESP-12E variant), which offers built-in WiFi connectivity, making it ideal for IoT (Internet of Things) projects.
   • The ESP8266 microcontroller allows you to control the motor remotely through a WiFi network, using a smartphone, web app, or other WiFi-enabled devices.

3. Voltage Range:

   • The motor shield board typically supports a voltage range for motor operation between 4.5V and 36V, but the specific voltage may vary depending on the version of the board and the motor you’re using.

4. Control Pins:

   • The motor shield provides pins to connect the motors and also exposes the necessary control pins (like IN1, IN2, IN3, IN4, etc.) for controlling the motors' forward, reverse, and stop actions.

5. Current and Power:

   • The L293D IC allows up to 600mA per motor (with peak currents up to 1.2A), making it suitable for small-to-medium motors like hobbyist DC motors and stepper motors.

6. PWM Control:

   • Pulse-width modulation (PWM) control allows you to control the speed of the motors by adjusting the duty cycle of the PWM signal sent to the motor.

Common Applications:

• Robotics: For controlling the movement of robots.
• Home Automation: Using motors for automated gates, fans, or other IoT-driven projects.
• IoT Devices: Remote-controlled devices that require motor actuation.

How It Works:

1. Powering the Motors: The motor power supply is connected to the motor power pins on the board, while the NodeMCU board is powered separately (often through USB or external 3.3V source).
2. Controlling Motors: The ESP-12E NodeMCU controls the direction and speed of the motors using the L293D IC through GPIO pins and PWM signals. You can use simple commands over WiFi (e.g., HTTP requests or MQTT) to interact with the motor shield and change the motor's operation.
3. Communication: Use the ESP8266’s WiFi capabilities to send commands to the motor shield from a web browser, app, or other devices connected to the same network.