L293D Motor Driver Board for ESP8266 WiFi NodeMcu

L293D Motor Driver Board for ESP8266 WiFi NodeMcu is a compact and convenient motor driver expansion board designed specifically for NodeMCU development boards. It allows direct control of two DC motors or one stepper motor using the L293D H-Bridge IC, enabling quick prototyping for robotics and IoT projects.

Key Features:

• ESP8266 Compatible: Designed to fit directly onto NodeMCU boards (Amica, LoLin)
• Dual Motor Control: Drives two DC motors independently with direction and speed control
• Stepper Motor Support: Can drive stepper motors
• Built-in L293D: Integrated H-Bridge IC for 600mA continuous output per channel
• Power Selection Jumper: Choose between motor power and logic power from external or NodeMCU

Technical Specifications:

• Motor Driver IC: L293D Quad Half H-Bridge
• Operating Voltage: 4.5V to 12V (motor supply), 5V logic
• Output Current: 600mA per channel (1.2A peak)
• Number of Channels: 2 (can drive 2 DC motors or 1 stepper)
• Logic Level: Compatible with 3.3V NodeMCU logic

Mechanical Specifications:

• Board Type: Plug-in shield for ESP8266 NodeMCU
• Connector Type: Screw terminals for motors and external power
• Mounting Holes: Standard 3mm PCB mounting holes

Dimensions:

• Length: ~50mm
• Width: ~32mm
• Height: ~18mm (including terminal blocks)

Pinout and Wiring:

• Motor A: M1-A, M1-B screw terminals
• Motor B: M2-A, M2-B screw terminals
• Power Supply: External motor power via Vin/GND terminal
• Logic Pins: IN1-IN4 mapped to D1-D4 or similar (check silkscreen)
• Enable Jumpers: ENA/ENB to enable motors or connect PWM pins

Datasheet Reference:

• Search online for “L293D datasheet Texas Instruments”

Applications:

• Smart Robots: Ideal for WiFi-controlled car chassis or robotic arms
• IoT Automation: Control relays, fans, or motors from a remote dashboard
• STEM Education: Great for NodeMCU-based classroom motor control projects
• Prototyping: Quick testing of motor logic directly from the development board

Equivalent Models:

• Motor Shield v1 for NodeMCU: Alternative layout with similar L293D functionality
• L298N Module: Higher current dual H-Bridge driver board
• TB6612FNG: More efficient, low-voltage motor driver IC for 3.3V logic

Package Includes:

• 1 x L293D Motor Driver Expansion Board for ESP8266 NodeMCU