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Grove - I2C Motor Driver
The Grove - I2C Motor Driver is a compact, I2C-based motor control module designed to drive DC motors with precision speed and direction control through a simple two-wire serial interface. Professional roboticists, embedded systems engineers, and IoT developers use this module to simplify motor control circuits while reducing microcontroller pin usage and complexity. It solves the critical problem of integrating multiple motor control channels into space-constrained projects without requiring PWM pins or complex H-bridge configurations.
Product Overview
The Grove - I2C Motor Driver operates on the I2C communication protocol, allowing seamless integration with Arduino, Raspberry Pi, and other microcontroller platforms through just two signal lines (SDA and SCL). The module features dual motor channels with independent speed control ranging from 0-255 PWM levels, enabling precise torque modulation and directional control. Each channel incorporates protection circuitry including current limiting and thermal management, making it suitable for continuous operation with motors drawing up to 1.2A per channel. The onboard voltage regulator supports input voltages from 5V to 12V, providing flexibility for various power supply configurations while maintaining stable logic-level outputs.
What distinguishes this module is its intelligent firmware that handles complex PWM timing internally, freeing your microcontroller from real-time motor control overhead. The I2C interface operates at standard 100kHz and fast 400kHz modes, allowing communication with multiple devices on the same bus. The module includes addressable I2C addressing with configurable slave addresses (0x0F to 0x10 selectable via firmware), enabling control of up to 8 motor driver units on a single I2C bus. Built-in protection against reverse polarity, over-current, and thermal shutdown ensures reliability in demanding robotics and automation applications.
Key Specifications
| Specification | Details |
| Product Type | I2C Motor Driver Module |
| Brand | Seeed Studio |
| Origin | Original/Authentic |
| Warranty | 7 days on manufacturing defects |
| Shipping | 1-5 days from Bengaluru |
| Delivery | 7-8 days across India |
| Support | 24/7 via Email and WhatsApp |
| Communication Protocol | I2C (100kHz and 400kHz modes) |
| Motor Channels | 2 independent channels |
| Speed Control Range | 0-255 PWM levels per channel |
| Maximum Current per Channel | 1.2A continuous |
| Input Voltage Range | 5V to 12V DC |
| Logic Voltage | 5V |
| I2C Slave Address | 0x0F to 0x10 (configurable) |
Key Features
- Dual Independent Motor Channels: Control two DC motors simultaneously with separate speed and direction settings, eliminating the need for multiple driver modules
- I2C Serial Interface: Reduces microcontroller pin usage to just 2 pins (SDA/SCL), leaving more pins available for sensors and additional peripherals
- PWM Speed Control: 256-level granular speed control (0-255) enables smooth acceleration profiles and precise torque modulation for motion control applications
- Bidirectional Motor Control: Full H-bridge configuration supports forward and reverse rotation with independent direction control per channel
- Wide Input Voltage Support: Accepts 5V to 12V supply, making it compatible with various power sources including battery packs and regulated supplies
- Built-in Protection: Integrated over-current limiting, thermal shutdown, and reverse polarity protection safeguard the module and connected motors
- Addressable I2C Bus: Configurable slave addresses allow up to 8 modules on a single I2C bus for controlling up to 16 motors in complex systems
- Grove Connector: Standard Grove interface provides plug-and-play connectivity without soldering, accelerating prototyping and development cycles
Applications and Use Cases
- Robotics Projects: Drive differential drive robots, robotic arms, and autonomous vehicles with synchronized dual-motor control using minimal microcontroller resources
- IoT Automation Systems: Control motorized gates, roller blinds, conveyor belts, and HVAC dampers in smart home and industrial IoT applications with remote I2C command sequences
- Educational Robotics: Ideal for Arduino and Raspberry Pi-based educational platforms where students learn motor control without complex circuit design
- Drone and Quadcopter Projects: Manage gimbal stabilization motors and camera pan-tilt mechanisms with precise speed control and synchronization
- Hobby Electronics: Perfect for RC car projects, robotic vacuum prototypes, and maker projects requiring compact, addressable motor control solutions
- Industrial Control Systems: Integrate into PLC-based systems and embedded controllers for actuator control with standardized I2C communication protocols
How to Use
Begin by connecting the Grove - I2C Motor Driver to your microcontroller using the I2C Grove cable: connect SDA to the microcontroller's SDA pin and SCL to SCL. Supply power to the module using the power input connector (5V to 12V), ensuring proper polarity. Connect your DC motors to the OUT1 and OUT2 connectors, respecting the polarity markings for correct directional control. Install the appropriate Grove I2C library for your platform (Arduino IDE or MicroPython for Raspberry Pi), then initialize the I2C communication at the default slave address 0x0F or your configured address.
To control motors, use the library functions to set speed (0-255) and direction (forward/reverse) for each channel independently. For example, in Arduino: motorDriver.setMotor(MOTOR1, FORWARD, 200) sets motor 1 to 200 PWM forward speed. The module handles all PWM timing internally, requiring only command bytes via I2C. For synchronized dual-motor control, send sequential commands to both channels within the same I2C transaction to maintain timing precision. Monitor the status LED for power indication and thermal warnings. For advanced applications, implement acceleration ramping by gradually incrementing PWM values over time, enabling smooth motor startup and preventing mechanical shock.
Frequently Asked Questions
What is the maximum current rating for each motor channel?
Each motor channel supports a continuous current of 1.2A, with peak current handling up to 2A for short durations. This makes it suitable for small to medium DC motors typically used in robotics. For motors exceeding these specifications, external power transistors or relay modules should be used in conjunction with the driver.
Can I control more than 2 motors with a single Grove - I2C Motor Driver?
No, this module has exactly 2 independent motor channels. However, you can chain multiple modules on the same I2C bus using different slave addresses (0x0F to 0x10 configurable). This allows control of up to 16 motors by using 8 modules simultaneously on a single I2C bus without additional wiring complexity.
What microcontroller platforms are compatible with this driver?
The Grove - I2C Motor Driver is compatible with any microcontroller supporting I2C communication, including Arduino (Uno, Mega, Leonardo), Raspberry Pi, BeagleBone, Intel Edison, and STM32 platforms. Pre-written libraries are available for Arduino IDE and MicroPython, with community support for other platforms.
Does the module support PWM frequency adjustment?
The Grove - I2C Motor Driver uses a fixed internal PWM frequency of approximately 1kHz, optimized for DC motor control. This frequency is suitable for most DC motors and provides a good balance between smooth control and motor efficiency. Custom PWM frequencies require firmware modification through I2C command extensions.
What happens if I connect a motor with reversed polarity?
The module includes reverse polarity protection that prevents damage to the driver circuitry. However, reversed motor connections will cause the motor to rotate in the opposite direction than commanded. Always verify motor polarity matches your application requirements before final assembly.
When will I receive my order?
Orders are dispatched within 1-5 business days from our Bengaluru warehouse. Delivery takes 7-8 days to most locations across India.
What is your return and warranty policy?
We offer a 7-day return policy on manufacturing defects only. Contact support within 7 days of receipt for free replacement or full refund. Not applicable for user damage or misuse.
Are bulk discounts available?
Yes, wholesale pricing for orders of 10 or more units. Contact our sales team via WhatsApp or email for a customized bulk quote.
Why Buy from The Engineer Store
- Genuine Products: Sourced directly from authorized distributors with authentication
- Expert Team: Our technical team validates every product before listing
- Fast Shipping: Dispatched within 1-5 days from our Bengaluru warehouse
- Pan-India Delivery: 7-8 days to Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata
- Payment Options: COD, UPI, credit/debit cards, net banking, EMI available
- Technical Support: 24/7 expert guidance via email and WhatsApp
- Returns: 7-day return policy on manufacturing defects only
Buy Grove - I2C Motor Driver Online in India
Purchase the Grove - I2C Motor Driver online at The Engineer Store, India's trusted source for genuine electronics. We deliver across Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on Grove - I2C Motor Driver with fast shipping and expert support.
Our team in Bengaluru is available 24/7 to support your journey from product selection to project completion.
Grove - I2C Motor Driver
The Grove - I2C Motor Driver is a compact, I2C-based motor control module designed to drive DC motors with precision speed and direction control through a simple two-wire serial interface. Professional roboticists, embedded systems engineers, and IoT developers use this module to simplify motor control circuits while reducing microcontroller pin usage and complexity. It solves the critical problem of integrating multiple motor control channels into space-constrained projects without requiring PWM pins or complex H-bridge configurations.
Product Overview
The Grove - I2C Motor Driver operates on the I2C communication protocol, allowing seamless integration with Arduino, Raspberry Pi, and other microcontroller platforms through just two signal lines (SDA and SCL). The module features dual motor channels with independent speed control ranging from 0-255 PWM levels, enabling precise torque modulation and directional control. Each channel incorporates protection circuitry including current limiting and thermal management, making it suitable for continuous operation with motors drawing up to 1.2A per channel. The onboard voltage regulator supports input voltages from 5V to 12V, providing flexibility for various power supply configurations while maintaining stable logic-level outputs.
What distinguishes this module is its intelligent firmware that handles complex PWM timing internally, freeing your microcontroller from real-time motor control overhead. The I2C interface operates at standard 100kHz and fast 400kHz modes, allowing communication with multiple devices on the same bus. The module includes addressable I2C addressing with configurable slave addresses (0x0F to 0x10 selectable via firmware), enabling control of up to 8 motor driver units on a single I2C bus. Built-in protection against reverse polarity, over-current, and thermal shutdown ensures reliability in demanding robotics and automation applications.
Key Specifications
| Specification | Details |
| Product Type | I2C Motor Driver Module |
| Brand | Seeed Studio |
| Origin | Original/Authentic |
| Warranty | 7 days on manufacturing defects |
| Shipping | 1-5 days from Bengaluru |
| Delivery | 7-8 days across India |
| Support | 24/7 via Email and WhatsApp |
| Communication Protocol | I2C (100kHz and 400kHz modes) |
| Motor Channels | 2 independent channels |
| Speed Control Range | 0-255 PWM levels per channel |
| Maximum Current per Channel | 1.2A continuous |
| Input Voltage Range | 5V to 12V DC |
| Logic Voltage | 5V |
| I2C Slave Address | 0x0F to 0x10 (configurable) |
Key Features
- Dual Independent Motor Channels: Control two DC motors simultaneously with separate speed and direction settings, eliminating the need for multiple driver modules
- I2C Serial Interface: Reduces microcontroller pin usage to just 2 pins (SDA/SCL), leaving more pins available for sensors and additional peripherals
- PWM Speed Control: 256-level granular speed control (0-255) enables smooth acceleration profiles and precise torque modulation for motion control applications
- Bidirectional Motor Control: Full H-bridge configuration supports forward and reverse rotation with independent direction control per channel
- Wide Input Voltage Support: Accepts 5V to 12V supply, making it compatible with various power sources including battery packs and regulated supplies
- Built-in Protection: Integrated over-current limiting, thermal shutdown, and reverse polarity protection safeguard the module and connected motors
- Addressable I2C Bus: Configurable slave addresses allow up to 8 modules on a single I2C bus for controlling up to 16 motors in complex systems
- Grove Connector: Standard Grove interface provides plug-and-play connectivity without soldering, accelerating prototyping and development cycles
Applications and Use Cases
- Robotics Projects: Drive differential drive robots, robotic arms, and autonomous vehicles with synchronized dual-motor control using minimal microcontroller resources
- IoT Automation Systems: Control motorized gates, roller blinds, conveyor belts, and HVAC dampers in smart home and industrial IoT applications with remote I2C command sequences
- Educational Robotics: Ideal for Arduino and Raspberry Pi-based educational platforms where students learn motor control without complex circuit design
- Drone and Quadcopter Projects: Manage gimbal stabilization motors and camera pan-tilt mechanisms with precise speed control and synchronization
- Hobby Electronics: Perfect for RC car projects, robotic vacuum prototypes, and maker projects requiring compact, addressable motor control solutions
- Industrial Control Systems: Integrate into PLC-based systems and embedded controllers for actuator control with standardized I2C communication protocols
How to Use
Begin by connecting the Grove - I2C Motor Driver to your microcontroller using the I2C Grove cable: connect SDA to the microcontroller's SDA pin and SCL to SCL. Supply power to the module using the power input connector (5V to 12V), ensuring proper polarity. Connect your DC motors to the OUT1 and OUT2 connectors, respecting the polarity markings for correct directional control. Install the appropriate Grove I2C library for your platform (Arduino IDE or MicroPython for Raspberry Pi), then initialize the I2C communication at the default slave address 0x0F or your configured address.
To control motors, use the library functions to set speed (0-255) and direction (forward/reverse) for each channel independently. For example, in Arduino: motorDriver.setMotor(MOTOR1, FORWARD, 200) sets motor 1 to 200 PWM forward speed. The module handles all PWM timing internally, requiring only command bytes via I2C. For synchronized dual-motor control, send sequential commands to both channels within the same I2C transaction to maintain timing precision. Monitor the status LED for power indication and thermal warnings. For advanced applications, implement acceleration ramping by gradually incrementing PWM values over time, enabling smooth motor startup and preventing mechanical shock.
Frequently Asked Questions
What is the maximum current rating for each motor channel?
Each motor channel supports a continuous current of 1.2A, with peak current handling up to 2A for short durations. This makes it suitable for small to medium DC motors typically used in robotics. For motors exceeding these specifications, external power transistors or relay modules should be used in conjunction with the driver.
Can I control more than 2 motors with a single Grove - I2C Motor Driver?
No, this module has exactly 2 independent motor channels. However, you can chain multiple modules on the same I2C bus using different slave addresses (0x0F to 0x10 configurable). This allows control of up to 16 motors by using 8 modules simultaneously on a single I2C bus without additional wiring complexity.
What microcontroller platforms are compatible with this driver?
The Grove - I2C Motor Driver is compatible with any microcontroller supporting I2C communication, including Arduino (Uno, Mega, Leonardo), Raspberry Pi, BeagleBone, Intel Edison, and STM32 platforms. Pre-written libraries are available for Arduino IDE and MicroPython, with community support for other platforms.
Does the module support PWM frequency adjustment?
The Grove - I2C Motor Driver uses a fixed internal PWM frequency of approximately 1kHz, optimized for DC motor control. This frequency is suitable for most DC motors and provides a good balance between smooth control and motor efficiency. Custom PWM frequencies require firmware modification through I2C command extensions.
What happens if I connect a motor with reversed polarity?
The module includes reverse polarity protection that prevents damage to the driver circuitry. However, reversed motor connections will cause the motor to rotate in the opposite direction than commanded. Always verify motor polarity matches your application requirements before final assembly.
When will I receive my order?
Orders are dispatched within 1-5 business days from our Bengaluru warehouse. Delivery takes 7-8 days to most locations across India.
What is your return and warranty policy?
We offer a 7-day return policy on manufacturing defects only. Contact support within 7 days of receipt for free replacement or full refund. Not applicable for user damage or misuse.
Are bulk discounts available?
Yes, wholesale pricing for orders of 10 or more units. Contact our sales team via WhatsApp or email for a customized bulk quote.
Why Buy from The Engineer Store
- Genuine Products: Sourced directly from authorized distributors with authentication
- Expert Team: Our technical team validates every product before listing
- Fast Shipping: Dispatched within 1-5 days from our Bengaluru warehouse
- Pan-India Delivery: 7-8 days to Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata
- Payment Options: COD, UPI, credit/debit cards, net banking, EMI available
- Technical Support: 24/7 expert guidance via email and WhatsApp
- Returns: 7-day return policy on manufacturing defects only
Buy Grove - I2C Motor Driver Online in India
Purchase the Grove - I2C Motor Driver online at The Engineer Store, India's trusted source for genuine electronics. We deliver across Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on Grove - I2C Motor Driver with fast shipping and expert support.
Our team in Bengaluru is available 24/7 to support your journey from product selection to project completion.