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Pololu 4990 Zumo 32U4 OLED Robot Kit (No Motors)
The Pololu 4990 Zumo 32U4 OLED Robot Kit is a compact, programmable mobile robot platform built around the ATmega32U4 microcontroller with an integrated 128x32 OLED display for real-time feedback and debugging. Robotics engineers, embedded systems developers, and educational institutions use this kit to prototype autonomous navigation systems, line-following algorithms, and obstacle avoidance behaviors with minimal development overhead. This kit solves the challenge of rapid robot prototyping by providing a pre-engineered chassis with integrated sensor mounting points, power distribution, and communication interfaces while allowing developers to select and integrate their own drive motors based on specific torque and speed requirements.
Product Overview
The Zumo 32U4 OLED represents a significant advancement in educational and professional robotics platforms by integrating the ATmega32U4 processor directly into a purpose-built chassis. The microcontroller operates at 16 MHz with 32 KB of flash memory and 2.5 KB of SRAM, providing sufficient computational capacity for complex sensor fusion and real-time control algorithms. The onboard 128x32 OLED display communicates via I2C protocol, enabling developers to visualize sensor data, debug code execution, and monitor system status without external equipment. The kit includes integrated mounting brackets for standard micro metal gearmotors, a comprehensive sensor array ready for expansion, and a robust power management system supporting 4 AA batteries with regulated 5V and 3.3V outputs.
This motor-less variant allows experienced developers to source motors matching their specific mechanical requirements, whether prioritizing speed for line-following competitions or torque for obstacle navigation. The chassis features precision-molded structural components with integrated caster wheel support, reducing assembly time while maintaining mechanical rigidity essential for accurate sensor calibration. The ATmega32U4 includes native USB connectivity for programming and serial communication, eliminating the need for external programmers. The modular design accommodates additional sensors including infrared reflectance arrays, ultrasonic rangefinders, and IMU modules through dedicated expansion connectors.
Key Specifications
| Specification | Details |
| Product Type | Programmable Mobile Robot Kit |
| Brand | Pololu |
| Model Number | 4990 |
| Microcontroller | ATmega32U4 at 16 MHz |
| Flash Memory | 32 KB |
| SRAM | 2.5 KB |
| Display | 128x32 OLED via I2C |
| Power Supply | 4 AA batteries with regulated 5V and 3.3V outputs |
| Motor Compatibility | Micro metal gearmotors (motors not included) |
| Connectivity | USB for programming and serial communication |
| Expansion Ports | I2C, SPI, analog inputs for sensor integration |
| 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 |
Key Features
- ATmega32U4 microcontroller with native USB support eliminates external programmer dependency and enables direct serial communication for real-time debugging
- Integrated 128x32 OLED display with I2C interface provides immediate visual feedback of sensor readings and algorithm execution without requiring external monitoring equipment
- Pre-engineered chassis with precision caster wheel assembly and integrated motor mounting points reduces mechanical assembly time while maintaining structural rigidity for accurate sensor calibration
- Regulated dual-voltage power distribution (5V and 3.3V) supports mixed-voltage sensor ecosystems including logic-level sensors and analog devices
- Modular expansion architecture with dedicated I2C and SPI connectors enables integration of infrared arrays, ultrasonic sensors, and IMU modules for advanced autonomous behaviors
- Motor-less design provides flexibility to source gearmotors optimized for specific application requirements, from high-speed line-following to high-torque obstacle navigation
Applications and Use Cases
- Line-following robotics competitions where developers integrate high-speed micro gearmotors and infrared reflectance sensor arrays to achieve sub-second lap times on maze courses
- Educational robotics curricula in engineering departments where students prototype autonomous navigation algorithms, sensor fusion techniques, and real-time control systems
- Research platforms for mobile robotics laboratories requiring rapid prototyping of obstacle avoidance algorithms, SLAM implementations, and swarm robotics coordination
- Embedded systems development for IoT applications where the ATmega32U4 serves as a mobile sensor platform for environmental monitoring and data collection with onboard processing
How to Use
Begin by assembling the chassis components following the detailed assembly guide provided with the kit, ensuring proper alignment of the motor mounting brackets and caster wheel assembly. Install four AA batteries into the power compartment and verify regulated voltage outputs using a multimeter before proceeding. Select and install your chosen micro metal gearmotors into the motor mounts, then connect the motor leads to the onboard motor driver circuit. Connect your computer to the Zumo 32U4 via USB cable and install the Arduino IDE with the Pololu AVR boards package, which includes pre-configured board definitions and libraries for the ATmega32U4 and integrated OLED display.
Program your robot using the Arduino IDE, leveraging the provided Zumo32U4 library which includes functions for motor control, OLED display management, and sensor interfacing. The library abstracts low-level PWM and I2C communication, allowing you to focus on algorithm development. Start with basic motor control examples to verify motor direction and speed, then progress to sensor integration by adding infrared reflectance arrays or ultrasonic rangefinders through the expansion connectors. Use the onboard OLED display to debug sensor values and algorithm execution in real-time, adjusting PID parameters for line-following or obstacle avoidance behaviors based on observed performance.
Frequently Asked Questions
What motors are compatible with the Zumo 32U4 4990 kit?
The kit accommodates Pololu micro metal gearmotors in 6mm, 8mm, and 12mm shaft diameters. For line-following applications, 150:1 or 298:1 gear ratios are recommended for optimal speed and torque balance. For obstacle navigation, 50:1 ratios provide higher torque. The onboard motor driver supports motors drawing up to 1.5A per channel at 5V. Verify motor current specifications before selection to ensure safe operation within driver limits.
Can I add sensors like infrared arrays or ultrasonic rangefinders to this kit?
Yes, the Zumo 32U4 includes dedicated expansion connectors for I2C and SPI communication, plus multiple analog input pins. Pololu offers QTR infrared reflectance sensor arrays that mount directly to the front of the chassis for line-following. Ultrasonic rangefinders connect via digital GPIO pins. The ATmega32U4 provides sufficient I/O and computational capacity for simultaneous operation of multiple sensor types, though you must manage I2C address conflicts if using multiple I2C devices.
How do I program the Zumo 32U4 and what development environment is required?
The Zumo 32U4 uses the Arduino IDE for development. Download the Arduino IDE from arduino.cc, then add the Pololu AVR boards package via the Boards Manager by entering the URL in preferences. This provides board definitions for the ATmega32U4 and includes the Zumo32U4 library with functions for motor control, OLED display, and sensor interfacing. Programs upload directly via USB without requiring external programmers. The ATmega32U4 appears as a virtual COM port for serial communication and debugging.
What is the battery life and power consumption of the Zumo 32U4?
Battery life depends on motor selection and duty cycle. With 150:1 gearmotors running at moderate speed, four AA alkaline batteries typically provide 2-4 hours of continuous operation. The microcontroller and OLED display consume approximately 50mA combined at idle. Motors consume 200-800mA depending on gear ratio and load. Use rechargeable NiMH AA batteries for cost-effectiveness in development environments. Measure current draw with your specific motor selection using a multimeter in series with the battery to estimate runtime for your application.
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 Pololu 4990 Zumo 32U4 OLED Robot Kit (No Motors) Online in India
Purchase the Pololu 4990 Zumo 32U4 OLED Robot Kit (No Motors) 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 Pololu 4990 Zumo 32U4 OLED Robot Kit (No Motors) with fast shipping and expert support.
Our team in Bengaluru is available 24/7 to support your journey from product selection to
Pololu 4990 Zumo 32U4 OLED Robot Kit (No Motors)
The Pololu 4990 Zumo 32U4 OLED Robot Kit is a compact, programmable mobile robot platform built around the ATmega32U4 microcontroller with an integrated 128x32 OLED display for real-time feedback and debugging. Robotics engineers, embedded systems developers, and educational institutions use this kit to prototype autonomous navigation systems, line-following algorithms, and obstacle avoidance behaviors with minimal development overhead. This kit solves the challenge of rapid robot prototyping by providing a pre-engineered chassis with integrated sensor mounting points, power distribution, and communication interfaces while allowing developers to select and integrate their own drive motors based on specific torque and speed requirements.
Product Overview
The Zumo 32U4 OLED represents a significant advancement in educational and professional robotics platforms by integrating the ATmega32U4 processor directly into a purpose-built chassis. The microcontroller operates at 16 MHz with 32 KB of flash memory and 2.5 KB of SRAM, providing sufficient computational capacity for complex sensor fusion and real-time control algorithms. The onboard 128x32 OLED display communicates via I2C protocol, enabling developers to visualize sensor data, debug code execution, and monitor system status without external equipment. The kit includes integrated mounting brackets for standard micro metal gearmotors, a comprehensive sensor array ready for expansion, and a robust power management system supporting 4 AA batteries with regulated 5V and 3.3V outputs.
This motor-less variant allows experienced developers to source motors matching their specific mechanical requirements, whether prioritizing speed for line-following competitions or torque for obstacle navigation. The chassis features precision-molded structural components with integrated caster wheel support, reducing assembly time while maintaining mechanical rigidity essential for accurate sensor calibration. The ATmega32U4 includes native USB connectivity for programming and serial communication, eliminating the need for external programmers. The modular design accommodates additional sensors including infrared reflectance arrays, ultrasonic rangefinders, and IMU modules through dedicated expansion connectors.
Key Specifications
| Specification | Details |
| Product Type | Programmable Mobile Robot Kit |
| Brand | Pololu |
| Model Number | 4990 |
| Microcontroller | ATmega32U4 at 16 MHz |
| Flash Memory | 32 KB |
| SRAM | 2.5 KB |
| Display | 128x32 OLED via I2C |
| Power Supply | 4 AA batteries with regulated 5V and 3.3V outputs |
| Motor Compatibility | Micro metal gearmotors (motors not included) |
| Connectivity | USB for programming and serial communication |
| Expansion Ports | I2C, SPI, analog inputs for sensor integration |
| 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 |
Key Features
- ATmega32U4 microcontroller with native USB support eliminates external programmer dependency and enables direct serial communication for real-time debugging
- Integrated 128x32 OLED display with I2C interface provides immediate visual feedback of sensor readings and algorithm execution without requiring external monitoring equipment
- Pre-engineered chassis with precision caster wheel assembly and integrated motor mounting points reduces mechanical assembly time while maintaining structural rigidity for accurate sensor calibration
- Regulated dual-voltage power distribution (5V and 3.3V) supports mixed-voltage sensor ecosystems including logic-level sensors and analog devices
- Modular expansion architecture with dedicated I2C and SPI connectors enables integration of infrared arrays, ultrasonic sensors, and IMU modules for advanced autonomous behaviors
- Motor-less design provides flexibility to source gearmotors optimized for specific application requirements, from high-speed line-following to high-torque obstacle navigation
Applications and Use Cases
- Line-following robotics competitions where developers integrate high-speed micro gearmotors and infrared reflectance sensor arrays to achieve sub-second lap times on maze courses
- Educational robotics curricula in engineering departments where students prototype autonomous navigation algorithms, sensor fusion techniques, and real-time control systems
- Research platforms for mobile robotics laboratories requiring rapid prototyping of obstacle avoidance algorithms, SLAM implementations, and swarm robotics coordination
- Embedded systems development for IoT applications where the ATmega32U4 serves as a mobile sensor platform for environmental monitoring and data collection with onboard processing
How to Use
Begin by assembling the chassis components following the detailed assembly guide provided with the kit, ensuring proper alignment of the motor mounting brackets and caster wheel assembly. Install four AA batteries into the power compartment and verify regulated voltage outputs using a multimeter before proceeding. Select and install your chosen micro metal gearmotors into the motor mounts, then connect the motor leads to the onboard motor driver circuit. Connect your computer to the Zumo 32U4 via USB cable and install the Arduino IDE with the Pololu AVR boards package, which includes pre-configured board definitions and libraries for the ATmega32U4 and integrated OLED display.
Program your robot using the Arduino IDE, leveraging the provided Zumo32U4 library which includes functions for motor control, OLED display management, and sensor interfacing. The library abstracts low-level PWM and I2C communication, allowing you to focus on algorithm development. Start with basic motor control examples to verify motor direction and speed, then progress to sensor integration by adding infrared reflectance arrays or ultrasonic rangefinders through the expansion connectors. Use the onboard OLED display to debug sensor values and algorithm execution in real-time, adjusting PID parameters for line-following or obstacle avoidance behaviors based on observed performance.
Frequently Asked Questions
What motors are compatible with the Zumo 32U4 4990 kit?
The kit accommodates Pololu micro metal gearmotors in 6mm, 8mm, and 12mm shaft diameters. For line-following applications, 150:1 or 298:1 gear ratios are recommended for optimal speed and torque balance. For obstacle navigation, 50:1 ratios provide higher torque. The onboard motor driver supports motors drawing up to 1.5A per channel at 5V. Verify motor current specifications before selection to ensure safe operation within driver limits.
Can I add sensors like infrared arrays or ultrasonic rangefinders to this kit?
Yes, the Zumo 32U4 includes dedicated expansion connectors for I2C and SPI communication, plus multiple analog input pins. Pololu offers QTR infrared reflectance sensor arrays that mount directly to the front of the chassis for line-following. Ultrasonic rangefinders connect via digital GPIO pins. The ATmega32U4 provides sufficient I/O and computational capacity for simultaneous operation of multiple sensor types, though you must manage I2C address conflicts if using multiple I2C devices.
How do I program the Zumo 32U4 and what development environment is required?
The Zumo 32U4 uses the Arduino IDE for development. Download the Arduino IDE from arduino.cc, then add the Pololu AVR boards package via the Boards Manager by entering the URL in preferences. This provides board definitions for the ATmega32U4 and includes the Zumo32U4 library with functions for motor control, OLED display, and sensor interfacing. Programs upload directly via USB without requiring external programmers. The ATmega32U4 appears as a virtual COM port for serial communication and debugging.
What is the battery life and power consumption of the Zumo 32U4?
Battery life depends on motor selection and duty cycle. With 150:1 gearmotors running at moderate speed, four AA alkaline batteries typically provide 2-4 hours of continuous operation. The microcontroller and OLED display consume approximately 50mA combined at idle. Motors consume 200-800mA depending on gear ratio and load. Use rechargeable NiMH AA batteries for cost-effectiveness in development environments. Measure current draw with your specific motor selection using a multimeter in series with the battery to estimate runtime for your application.
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 Pololu 4990 Zumo 32U4 OLED Robot Kit (No Motors) Online in India
Purchase the Pololu 4990 Zumo 32U4 OLED Robot Kit (No Motors) 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 Pololu 4990 Zumo 32U4 OLED Robot Kit (No Motors) with fast shipping and expert support.
Our team in Bengaluru is available 24/7 to support your journey from product selection to