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Arduino UNO R4 Minima
The next evolution of the world's most popular development board. The Arduino UNO R4 Minima brings a massive performance upgrade with the Renesas RA4M1 microcontroller (Arm Cortex-M4, 48 MHz), 256 KB flash, and 32 KB SRAM - while maintaining full backward compatibility with existing UNO shields and projects. Available now from The Engineer Store, Bengaluru. Fast shipping, 7-day warranty on manufacturing defects, and dedicated technical support.
Specifications
| Microcontroller | Renesas RA4M1 (R7FA4M1AB3CFM#AA0) |
| Core | Arm Cortex-M4F @ 48 MHz |
| Flash Memory | 256 KB |
| SRAM | 32 KB |
| Operating Voltage | 5V |
| Input Voltage (VIN) | 6-24V |
| Digital I/O Pins | 14 (6 PWM capable) |
| Analog Input Pins | 6 (14-bit ADC) |
| DAC Output | 1 (12-bit DAC) |
| USB Connector | USB-C |
| Communication | UART, I2C, SPI, CAN Bus |
| RTC | Built-in Real-Time Clock (with VRTC pin) |
| Clock Speed | 48 MHz |
| Board Dimensions | 68.85 mm x 53.34 mm |
| Form Factor | Standard Arduino UNO (shield-compatible) |
| Programming | Arduino IDE 2.x / Arduino Cloud |
| Type | Microcontroller Development Board |
| Origin | 100% Original Arduino (Made in Italy) |
| Warranty | 7-day warranty on manufacturing defects |
| Support | Email & WhatsApp 24/7 |
Key Upgrades Over UNO R3
- 3x More Flash Memory: 256 KB vs 32 KB - run larger, more complex sketches with ease
- 16x More SRAM: 32 KB vs 2 KB - handle bigger data buffers, arrays, and variables
- Arm Cortex-M4F Core: Hardware floating-point unit for fast math, DSP, and signal processing
- 14-Bit ADC Resolution: Far more precise analog readings compared to the R3's 10-bit ADC
- 12-Bit DAC Output: Generate true analog output signals - no external DAC needed
- Built-in CAN Bus: Direct connectivity for automotive, industrial, and robotics protocols
- Real-Time Clock (RTC): Onboard RTC with dedicated VRTC pin for timekeeping applications
- USB-C Connector: Modern, reversible, and robust USB-C replaces the old Micro-USB/Type-B
- HID Support: Emulate keyboard, mouse, and gamepad over USB natively
- Full Backward Compatibility: Same UNO footprint - all existing shields, sensors, and accessories work
Why Choose the Arduino UNO R4 Minima?
- 100% authentic Arduino board sourced directly from authorized distributors
- Perfect upgrade path from UNO R3 - same form factor, vastly better performance
- USB-C for modern, reliable connectivity and HID device emulation
- CAN bus and DAC open up industrial, automotive, and audio applications
- Extensive Arduino ecosystem - thousands of libraries, tutorials, and community resources
- Supported by Arduino IDE 2.x and Arduino Cloud for seamless development
- 1-5 day shipping, 7-8 day delivery from our Bengaluru warehouse to most of India
- Expert technical support included with every purchase
Project Ideas
- Precision Data Logging: Use the 14-bit ADC and built-in RTC to log sensor data with timestamps - ideal for weather stations, environmental monitoring, and lab experiments.
- Audio & Signal Generation: Leverage the 12-bit DAC to generate waveforms, build a simple synthesizer, or create audio alert systems without external hardware.
- CAN Bus Automotive Projects: Connect directly to vehicle OBD-II systems, build custom dashboards, or prototype automotive sensor networks using the onboard CAN controller.
- Custom USB HID Devices: Create custom keyboards, macro pads, game controllers, or MIDI controllers using native USB HID emulation.
- Industrial Automation Prototyping: Use CAN bus, higher memory, and faster processing for PLC-style control, motor drivers
Frequently Asked Questions
When will I receive my order?
Products ship within 1-5 days from our Bengaluru warehouse. Delivery within 7-8 days to most locations across India.
Is technical support available?
Yes, 24/7 support via email and WhatsApp for setup, troubleshooting, and application guidance.
What is your return policy?
7-day returns on manufacturing defects only. Full refund or replacement. Not applicable for user damage or misuse.
Are bulk discounts available?
Yes, wholesale pricing on orders of 10+ units. Contact us via WhatsApp or email for a custom quote.
Buy Arduino UNO R4 Minima Online in India
Purchase the Arduino UNO R4 Minima online at The Engineer Store - India's most trusted electronics components store. We deliver across all major cities including Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on Arduino UNO R4 Minima with fast 1-5 day shipping from our Bengaluru warehouse. All products are 100% authentic, sourced from authorized distributors with 7-day warranty on manufacturing defects.
Looking to buy Arduino UNO R4 Minima at the best price in India? The Engineer Store 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.
```html
Arduino UNO R4 Minima
The next evolution of the world's most popular development board. The Arduino UNO R4 Minima brings a massive performance upgrade with the Renesas RA4M1 microcontroller (Arm Cortex-M4, 48 MHz), 256 KB flash, and 32 KB SRAM - while maintaining full backward compatibility with existing UNO shields and projects. Available now from The Engineer Store, Bengaluru. Fast shipping, 7-day warranty on manufacturing defects, and dedicated technical support.
Specifications
| Microcontroller | Renesas RA4M1 (R7FA4M1AB3CFM#AA0) |
| Core | Arm Cortex-M4F @ 48 MHz |
| Flash Memory | 256 KB |
| SRAM | 32 KB |
| Operating Voltage | 5V |
| Input Voltage (VIN) | 6-24V |
| Digital I/O Pins | 14 (6 PWM capable) |
| Analog Input Pins | 6 (14-bit ADC) |
| DAC Output | 1 (12-bit DAC) |
| USB Connector | USB-C |
| Communication | UART, I2C, SPI, CAN Bus |
| RTC | Built-in Real-Time Clock (with VRTC pin) |
| Clock Speed | 48 MHz |
| Board Dimensions | 68.85 mm x 53.34 mm |
| Form Factor | Standard Arduino UNO (shield-compatible) |
| Programming | Arduino IDE 2.x / Arduino Cloud |
| Type | Microcontroller Development Board |
| Origin | 100% Original Arduino (Made in Italy) |
| Warranty | 7-day warranty on manufacturing defects |
| Support | Email & WhatsApp 24/7 |
Key Upgrades Over UNO R3
- 3x More Flash Memory: 256 KB vs 32 KB - run larger, more complex sketches with ease
- 16x More SRAM: 32 KB vs 2 KB - handle bigger data buffers, arrays, and variables
- Arm Cortex-M4F Core: Hardware floating-point unit for fast math, DSP, and signal processing
- 14-Bit ADC Resolution: Far more precise analog readings compared to the R3's 10-bit ADC
- 12-Bit DAC Output: Generate true analog output signals - no external DAC needed
- Built-in CAN Bus: Direct connectivity for automotive, industrial, and robotics protocols
- Real-Time Clock (RTC): Onboard RTC with dedicated VRTC pin for timekeeping applications
- USB-C Connector: Modern, reversible, and robust USB-C replaces the old Micro-USB/Type-B
- HID Support: Emulate keyboard, mouse, and gamepad over USB natively
- Full Backward Compatibility: Same UNO footprint - all existing shields, sensors, and accessories work
Why Choose the Arduino UNO R4 Minima?
- 100% authentic Arduino board sourced directly from authorized distributors
- Perfect upgrade path from UNO R3 - same form factor, vastly better performance
- USB-C for modern, reliable connectivity and HID device emulation
- CAN bus and DAC open up industrial, automotive, and audio applications
- Extensive Arduino ecosystem - thousands of libraries, tutorials, and community resources
- Supported by Arduino IDE 2.x and Arduino Cloud for seamless development
- 1-5 day shipping, 7-8 day delivery from our Bengaluru warehouse to most of India
- Expert technical support included with every purchase
Project Ideas
- Precision Data Logging: Use the 14-bit ADC and built-in RTC to log sensor data with timestamps - ideal for weather stations, environmental monitoring, and lab experiments.
- Audio & Signal Generation: Leverage the 12-bit DAC to generate waveforms, build a simple synthesizer, or create audio alert systems without external hardware.
- CAN Bus Automotive Projects: Connect directly to vehicle OBD-II systems, build custom dashboards, or prototype automotive sensor networks using the onboard CAN controller.
- Custom USB HID Devices: Create custom keyboards, macro pads, game controllers, or MIDI controllers using native USB HID emulation.
- Industrial Automation Prototyping: Use CAN bus, higher memory, and faster processing for PLC-style control, motor drivers
Frequently Asked Questions
When will I receive my order?
Products ship within 1-5 days from our Bengaluru warehouse. Delivery within 7-8 days to most locations across India.
Is technical support available?
Yes, 24/7 support via email and WhatsApp for setup, troubleshooting, and application guidance.
What is your return policy?
7-day returns on manufacturing defects only. Full refund or replacement. Not applicable for user damage or misuse.
Are bulk discounts available?
Yes, wholesale pricing on orders of 10+ units. Contact us via WhatsApp or email for a custom quote.
Buy Arduino UNO R4 Minima Online in India
Purchase the Arduino UNO R4 Minima online at The Engineer Store - India's most trusted electronics components store. We deliver across all major cities including Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on Arduino UNO R4 Minima with fast 1-5 day shipping from our Bengaluru warehouse. All products are 100% authentic, sourced from authorized distributors with 7-day warranty on manufacturing defects.
Looking to buy Arduino UNO R4 Minima at the best price in India? The Engineer Store 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.