Arduino UNO R4 Minima with Renesas RA4M1 Cortex-M4 CPU
Discover the next evolution of the world's most iconic electronics platform with the Arduino UNO R4 Minima, now available at Bigyan Project. This board is a massive leap forward from the classic UNO R3, integrating a powerful 32-bit Renesas RA4M1 microprocessor. While it offers significantly more processing power, expanded memory, and a host of new peripherals, it thoughtfully maintains the standard UNO form factor and 5V operating voltage. This ensures that your existing shields, sensors, and knowledge base remain compatible, making the UNO R4 Minima the perfect choice for both beginners starting their first project and seasoned experts pushing the boundaries of innovation.
Product Specifications
Feature |
Specification |
Microcontroller |
Renesas RA4M1 (Arm® Cortex®-M4) |
Operating Voltage |
5V |
CPU Clock Speed |
48 MHz |
Flash Memory |
256 KB |
SRAM |
32 KB |
EEPROM |
8 KB |
Input Voltage (VIN) |
6-24V (Recommended) |
Digital I/O Pins |
14 |
Analog Input Pins |
6 (with up to 14-bit resolution) |
PWM Pins |
6 |
DC Current per I/O Pin |
8 mA |
On-board Peripherals |
12-bit DAC, CAN Bus, Operational Amplifier (Op-amp) |
Communication Protocols |
UART, I2C, SPI, CAN Bus |
USB Connector |
USB-C® |
Dimensions |
68.6 mm x 53.4 mm |
Features
- Powerful 32-bit Core: The Arm® Cortex®-M4 processor provides a significant boost in computational power, allowing for more complex calculations and real-time operations.
- Expanded Memory: With 16x more RAM and 8x more flash memory than the UNO R3, you can build larger, more sophisticated projects without worrying about memory limits.
- Standard UNO Form Factor: The board maintains the exact physical footprint and pinout of the classic UNO, ensuring a seamless upgrade path.
- True 5V Logic: Unlike many 32-bit boards that use 3.3V logic, the UNO R4 Minima operates at 5V, guaranteeing compatibility with the vast ecosystem of Arduino shields and modules.
- Advanced On-board Peripherals: Native hardware support for a CAN Bus, a 12-bit Digital-to-Analog Converter (DAC), and an Op-amp opens up new possibilities for advanced applications.
- Modern USB-C® Connector: Features a robust and reversible USB-C® port for programming and power, making connections simple and reliable.
Applications and Use Cases
The enhanced capabilities of the Arduino UNO R4 Minima make it an ideal choice for a wide variety of projects, including:
- DIY Robotics and Automation: Build more intelligent robots that can process sensor data faster and perform complex movements with greater precision.
- IoT (Internet of Things) Devices: With more memory and processing power, you can create robust IoT nodes that manage multiple sensors and communication protocols.
- Educational Learning Kits: Perfect for teaching modern embedded systems concepts, from basic programming to advanced topics like digital signal processing.
- Automotive Projects: Tap into vehicle data and control automotive systems using the native CAN Bus controller, a feature previously unavailable on the UNO platform.
- Interactive Art and Music Synthesis: Generate high-quality analog signals with the 12-bit DAC for audio projects or controlling analog equipment.
User Guide: Getting Started
Starting your journey with the UNO R4 Minima from বিজ্ঞান প্রজেক্ট is easy. First, ensure you have the latest version of the Arduino IDE (2.0+) or Arduino CLI. Connect the board to your computer using a USB-C® cable. The IDE should automatically recognize the board. If not, navigate to the Boards Manager and install the "Arduino UNO R4 Boards" package. To test your setup, open the classic "Blink" example sketch, select the correct board and port from the Tools menu, and click upload. In seconds, the onboard LED should start blinking, signaling that you're ready to build something amazing!
Frequently Asked Questions (FAQs)
- Q: Is the Arduino UNO R4 Minima compatible with my existing UNO R3 shields?
A: Yes, absolutely. It shares the same physical dimensions, pinout, and 5V operating voltage, ensuring broad compatibility with most shields designed for the UNO R3.
- Q: What is the main advantage of the UNO R4 over the R3?
A: The primary advantages are the massive increase in processing speed (48 MHz vs 16 MHz), memory (32KB SRAM vs 2KB), and the addition of modern hardware peripherals like a CAN bus and a 12-bit DAC.
- Q: Can I power the board and my project components through the USB-C® port?
A: Yes, the USB-C® port can provide power for the board and low-power components. For projects with higher power requirements, it is recommended to use an external power source via the VIN pin (6-24V).
- Q: Do I need to learn a new programming language to use the UNO R4 Minima?
A: No, it is programmed using the same Arduino programming language (based on C++) and the familiar Arduino IDE that you already know and love.
Challenges and Considerations
- Library Compatibility: While most popular libraries have been updated, some older libraries written specifically for the 8-bit AVR architecture of the UNO R3 may require minor modifications to work correctly.
- Register-Level Programming: For advanced users, direct port and register manipulation will be different from the ATmega328P, as it uses a completely new Renesas microcontroller.
Compatibility
- Fully compatible with the standard Arduino UNO R3 pinout and form factor.
- Works with the vast majority of 5V logic shields, sensors, and modules.
- Supported by the latest versions of the Arduino IDE, Arduino CLI, and Arduino Web Editor.
Future Enhancement Options
- Integrate with a CAN transceiver module to create projects that communicate with modern vehicle networks.
- Use the 12-bit DAC to build a function generator or a simple audio synthesizer.
- Leverage the expanded memory and speed to run a lightweight real-time operating system (RTOS) for multitasking.
Benefits
- Increased Power: Execute complex code and process data significantly faster than previous UNO boards.
- Larger Projects: The substantial memory increase allows for more features, libraries, and variables in a single project.
- Seamless Transition: Enjoy modern performance without abandoning the familiar and beloved UNO ecosystem.
- Future-Proof: Invest in a platform with modern capabilities that will support your projects for years to come.
Conclusion
The Arduino UNO R4 Minima is more than just an update; it's a redefinition of the standard for entry-level microcontrollers. By blending cutting-edge 32-bit performance with the legendary ease-of-use and compatibility of the UNO platform, it offers the best of both worlds. Whether you are building a simple LED flasher or a complex automotive diagnostic tool, this board provides the power and flexibility you need. Get your genuine Arduino UNO R4 Minima from Bigyan Project today and start building the future.
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Data sheet
- Video ID
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Important Information
The product details on this page are collected from multiple reliable sources to provide you with the best information. However, minor discrepancies may occur. We recommend thoroughly checking the product labels, instructions, and warnings before use.
Note: Images shown are for illustration purposes only and may slightly differ from the actual product.
What is the price of Arduino UNO R4 Minima Development Board in Bangladesh (BD)?
The latest price of Arduino UNO R4 Minima Development Board in Bangladesh is ৳2,450 Taka. You can buy the Arduino UNO R4 Minima Development Board at best price from বিজ্ঞান প্রজেক্ট.