HG7881 H-bridge 4 Channel DC Stepper Motor Driver Controller
HG7881 H-bridge 4 Channel DC Stepper Motor Driver Controller
Shipping calculated at checkout.
Looking to buy HG7881 H-bridge 4 Channel DC Stepper Motor Driver Controller at the best price in India? Tech Depot India offers competitive pricing, bulk discounts for orders of 10+ units, and dedicated technical support via email and WhatsApp. Whether you are a hobbyist, student, or professional engineer, we have everything you need for your electronics projects.
Specifications
| Driver IC | HG7881 (HG7881CP) Dual H-Bridge x 2 |
| Motor Channels | 4 DC motors (independent) or 2 stepper motors |
| Operating Voltage | 2.5 V - 12 V DC |
| Max Continuous Current | 800 mA per channel |
| Peak Current | Up to 1.5 A per channel (short duration) |
| Control Inputs | 2 pins per channel (IN-A direction, IN-B PWM/enable) |
| Logic Voltage | 3.3 V / 5 V compatible (Arduino, ESP32, Raspberry Pi) |
| Motor Control Modes | Forward, Reverse, Brake, Coast (per channel) |
| PWM Speed Control | Yes - via IN-B pin on each channel |
| Board Dimensions | Approx. 26 mm x 21 mm x 15 mm (compact form factor) |
| Connector Type | 2.54 mm pin headers for motor outputs and control inputs |
| Protection | Built-in flyback diodes for back-EMF protection |
| Weight | ~8 g |
| Type | Motor Driver Module |
| Origin | Original / Authentic |
Why Choose HG7881 H-bridge 4 Channel DC Stepper Motor Driver Controller ?
100% Authentic
GST Invoice - A GST invoice is included with every order.
Expert Support - Dedicated technical help on WhatsApp and email.
Pan-India Delivery - Shipped across Bengaluru, Delhi NCR, Hyderabad and all of India.
Trusted by Makers - Used by students, hobbyists and professionals nationwide.
Key Features of HG7881 H-bridge 4 Channel DC Stepper Motor Driver Controller
- 4-Channel Independent Control: Drive four DC motors simultaneously with individual direction and speed control, or pair channels to run two bipolar/unipolar stepper motors.
- Wide Voltage Range (2.5 V - 12 V): Compatible with small hobby motors, N20 gear motors, TT motors, and many 12 V motors used in robotics platforms.
- PWM Speed Control: Smoothly vary motor speed from 0-100 % using PWM signals on the IN-B pin of each channel - works seamlessly with Arduino analogWrite().
- 3.3 V & 5 V Logic Compatible: Direct connection to Arduino Uno, Mega, Nano, ESP8266, ESP32, STM32, Raspberry Pi, and other popular microcontrollers without level shifters.
- Ultra-Compact Design: Tiny PCB footprint makes it easy to fit inside small robots, RC cars, and space-constrained enclosures.
- Built-In Back-EMF Protection: Integrated flyback diodes safeguard the driver IC and your microcontroller from voltage spikes generated by motor coils.
- Simple 2-Pin Control Per Channel: No complex wiring - just connect IN-A (direction) and IN-B (PWM/enable) per motor channel for full bidirectional control.
- Low Dropout Design: Minimal voltage drop across the H-bridge ensures maximum power delivery to your motors.
- Breadboard & PCB Friendly: Standard 2.54 mm pin headers allow direct insertion into breadboards or soldering onto custom PCBs.
- Budget-Friendly Multi-Motor Control: Control up to 4 motors with a single, low-cost module - significantly cheaper than L298N or L293D alternatives for light-duty applications.
- Perfect for Small Robotics: Designed for TT motors, N20 gear motors, and small DC motors commonly used in line-following robots, obstacle-avoiding bots, and wheeled platforms.
- Extensive Community Resources: Thousands of Arduino tutorials, wiring diagrams, and sample code available online for the HG7881 driver.
HG7881 H-Bridge 4-Channel DC Stepper Motor Driver Controller
Drive up to 4 DC motors or 2 stepper motors with this compact, affordable HG7881-based H-bridge motor driver board. Ideal for robotics, automation, and Arduino/Raspberry Pi projects, it delivers reliable bidirectional motor control with simple logic-level inputs.
Pin Configuration & Wiring Guide
| Pin Label | Function | Description |
| B-IA | Motor B Input A | Direction control (HIGH/LOW) |
| B-IB | Motor B Input B | PWM |
Frequently Asked Questions
Is technical support available?
Yes, responsive support via email and WhatsApp for setup, troubleshooting, and application guidance.
Are bulk discounts available?
Yes, wholesale pricing on orders of 10+ units. Contact us via WhatsApp or email for a custom quote.
Customer Support
Email: techdepotindia@gmail.com
WhatsApp: Available for setup and troubleshooting help
Order your HG7881 H-bridge 4 Channel DC Stepper Motor Driver Controller today and start building your next project.
Buy HG7881 H-bridge 4 Channel DC Stepper Motor Driver Controller Online in India
Related: Browse more from our our full catalog collection, or see all products at Tech Depot India.