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Original Arduino UNO EK (एक) R4 WiFi - Made in India
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The Original Arduino Uno EK R4 Wi-Fi, proudly Made in India, brings a powerful upgrade to the classic UNO series with its 32-bit architecture. Built on the Renesas R7FA4M1AB3CFM microcontroller, it features a 48 MHz Arm Cortex-M4 processor, along with 256 kB Flash and 32 kB SRAM, making it suitable for more demanding embedded and connected applications.
If you’re exploring the Arduino UNO R4 WiFi specifications 32 bit Cortex M4 board, this model delivers a strong balance of performance and ease of use. With built-in WiFi and Bluetooth powered by the ESP32-S3 module, it becomes much easier to build and deploy IoT-based projects without additional hardware.
The onboard 12×8 LED matrix adds a creative edge, allowing you to build interactive displays, animations, or simple games. Whether you're a beginner or an experienced developer, the board offers a smooth workflow, wide compatibility with existing shields, and flexible power options including USB-C and 6–24V input.
The Arduino UNO R4 WiFi is designed for users who want more power and built-in connectivity without moving away from the familiar UNO ecosystem. Compared to older versions, it offers better processing capability and wireless features right out of the box.
For makers working on automation, IoT, or smart systems, this board simplifies development significantly. It’s often considered among the best Arduino UNO R4 WiFi for IoT and wireless projects because you don’t need extra modules to get started.
Looking for the Arduino UNO R4 WiFi price in India? At Robocraze, the board is available at a competitive starting price of ₹1,499, with offers that may vary from time to time.
If you're planning to buy Arduino UNO EK R4 WiFi made in India online, choosing an authorized seller like Robocraze ensures you receive a genuine product with proper warranty and support. Unlike generic marketplace listings, every board goes through quality checks, so you can confidently use it for prototyping, IoT systems, or learning projects.
Get hands-on with Arduino UNO R4 WiFi and bring your ideas to life.
| Feature |
 Original Arduino Uno EK R4 WiFi (Made in India) |
 Arduino Uno R4 WiFi (Standard) |
|---|---|---|
| Microcontroller (MCU) | Renesas R7FA4M1A (Cortex-M4, 48 MHz) | Renesas RA4M1 (Cortex-M4, 48 MHz) |
| Wi-Fi / Bluetooth | ESP32-S3 module | ESP32-S3 module (up to 240 MHz) |
| Flash / SRAM / EEPROM | 256 kB / 32 kB SRAM / 8 kB EEPROM | 256 kB / 32 kB SRAM / 8 kB EEPROM |
| On-board LED matrix | 12 × 8 programmable red LED display | 12 × 8 programmable red LED display |
| Qwiic connector | Yes (for I²C, 3.3 V) | Yes (compatible) |
| Peripherals | 14-bit ADC, 12-bit DAC, CAN bus, RTC, OP-AMP | 14-bit ADC, 12-bit DAC, CAN bus, RTC, OP-AMP |
| Power & Input Voltage | 5V operating; 6–24V VIN & USB-C | 5V operating; 6–24V VIN & USB-C |
| Dimensions / Form Factor | UNO form factor (~68.8 × 53.3 mm), shield-compatible | UNO form factor (~68.8 × 53.3 mm), shield-compatible |
| Country of Origin | Made in India | Official Arduino production (Italy/Global) |
| Approximate Price | Rs. 1339 | Rs. 2299 VIEW |
| Feature | Original Arduino Uno EK R4 WiFi (Made in India) | Typical Arduino Uno R3 |
|---|---|---|
| Microcontroller | Renesas RA4M1 (32-bit ARM Cortex-M4) | ATmega328P (8-bit AVR) |
| Operating Voltage | 5V | 5V |
| Clock Speed | 48 MHz | 16 MHz |
| WiFi | Built-in WiFi Module | External Module Required |
| Bluetooth | Supported | Not Available |
| Flash Memory | 256 KB | 32 KB |
| SRAM | 32 KB | 2 KB |
| USB Interface | USB-C | USB Type-B |
| DAC | Yes | No |
| Best Suited For | IoT, Advanced Embedded Projects | Basic Embedded Projects |
1 x Official Arduino UNO EK (एक) R4 WiFi Made in India
| Specification | Details |
|---|---|
| Microcontroller | R7FA4M1AB3CFM |
| Processor | 48 MHz Arm Cortex-M4 |
| Connectivity | ESP32-S3 (Wi-Fi & Bluetooth) |
| Flash Memory | 256 KB |
| SRAM | 32 KB |
| EEPROM | 8 KB |
| Operating Voltage | 5V |
| Input Voltage | 6-24V |
| Peripherals | 14-bit ADC, CAN, DAC, MPU, RTC |
| Weight | 0.3 gm |
| Dimension (LxWxH) | 9 x 7 x 3 cm |
To set up your Arduino UNO Ek R4 WiFi, connect the board to your computer via USB and open the Arduino IDE. You will need to select the Arduino UNO Ek R4 from the board manager and choose the correct port. After the necessary drivers are installed, you are ready to upload your first projects. This setup process is simple, especially for users exploring the Arduino UNO R4 WiFi specifications 32 bit Cortex M4 board for the first time.
To program this board, simply write your code within the Arduino IDE, ensuring you have selected the correct board and port. When you click the upload button, your sketch will be sent to the Arduino UNO WiFi. This powerful board can handle everything from simple LED control to complex IoT applications, making it one of the best Arduino UNO R4 WiFi for IoT and wireless projects.
You can power your board in two main ways: directly through the USB connection or by using a regulated 5V supply connected to the 5V pin. It is crucial to use the correct voltage to protect the board's internal components and ensure reliable operation in all of your projects.
The Arduino Ek R4 is perfect for a wide range of projects, especially those involving IoT and other embedded applications. You can easily connect various sensors, LEDs, or other components to its I/O pins. Programming is done through simple sketches that you write in the Arduino IDE. If you’re planning to buy Arduino UNO EK R4 WiFi made in India online, this board offers a great balance of performance and ease of use for real-world applications.
To reset your board, simply press the onboard reset button. This will restart the program running on the board without needing to disconnect the power. It is a quick and effective way to clear errors and helps ensure new sketches upload smoothly.
If you have trouble uploading, first check that the correct board and port are selected in the Arduino IDE. You may also need to update your computer's drivers so it can recognize the device. As a final step, try pressing the reset button just before you attempt to upload again.
Yes, the Original Arduino Uno EK R4 WiFi Made in India available at Robocraze is 100% genuine and sourced directly from authorized channels. We are committed to supplying only authentic Arduino boards with proper branding, packaging, and manufacturer-backed warranty. Each unit undergoes quality verification to ensure it meets official Arduino standards for performance and reliability. If you are checking the Arduino UNO R4 WiFi price in India, buying from Robocraze ensures you get genuine value along with authenticity and support.
It is commonly used for IoT systems, automation, robotics, and embedded development. Thanks to built-in connectivity, it’s especially useful for cloud-connected projects.
The UNO R4 Wi-Fi features a 32-bit Cortex-M4 processor, more memory, and built-in Wi-Fi and Bluetooth, making it far more capable than the older R3 version.
Yes, it comes with both Wi-Fi and Bluetooth via the ESP32-S3 module, so you can build wireless projects without additional components.
Yes, it’s widely considered one of the best Arduino UNO R4 Wi-Fi for IoT and wireless projects, especially for beginners and intermediate users.
Key highlights include:
These features reflect the core Arduino UNO R4 Wi-Fi specifications 32-bit Cortex M4 board, making it a strong upgrade over previous models.
This product comes with a 1-year manufacturer warranty from the date of purchase, covering manufacturing defects only.
The product shows signs of physical damage, mishandling, exposure to water/moisture, fire, natural calamities, unauthorized repairs, improper storage near heat or direct sunlight, or alteration in any way.
