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Original Arduino UNO EK (एक) R4 WiFi - Made in India
Original Arduino UNO EK (एक) R4 WiFi - Made in India
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- Made in India 32-bit Arduino board with Wi-Fi & Bluetooth.
- Powered by Renesas R7FA4M1AB3CFM and ESP32-S3 module.
- 256 kB Flash, 32 kB SRAM, and 8 kB EEPROM.
- 12×8 programmable LED matrix for animations & games.
- 5V operating voltage, supports 6-24V input & USB-C power.
- Features DAC, CAN bus, and 14-bit ADC for advanced projects.
Original Arduino UNO EK (एक) R4 WiFi - Made in India
The Official Arduino Uno EK R4 Wi-Fi, proudly Made in India, upgrades the UNO series with a powerful 32-bit architecture. It runs on the Renesas R7FA4M1AB3CFM microcontroller, featuring a 48 MHz Arm Cortex-M4 processor, 256 kB Flash, and 32 kB SRAM.
With built-in WiFi and Bluetooth via the ESP32-S3 module, it simplifies IoT projects. A programmable 12×8 LED matrix adds a creative touch, ideal for animations and games. Designed for both beginners and pros, the UNO R4 WiFi supports 6-24 V input and USB-C power. Enjoy extensive documentation and full compatibility with older Arduino shields.
Get hands-on with Arduino UNO R4 WiFi and bring your ideas to life.
Features
-
Main MCU
Renesas RA4M1 (R7FA4M1AB3CFM#AA0) – Controls all pin headers and communication buses -
Processor & Performance
48 MHz Arm Cortex-M4 with Floating Point Unit (FPU)
5V operating voltage
Real-Time Clock (RTC)
Memory Protection Unit (MPU)
Digital-to-Analog Converter (DAC) -
Memory
256 kB Flash Memory
32 kB SRAM
8 kB EEPROM (Data Memory) -
Peripherals
Capacitive Touch Sensing Unit (CTSU)
USB 2.0 Full-Speed (USBFS)
14-bit ADC
Up to 12-bit DAC
Operational Amplifier (OPAMP) -
Power
5V operating voltage for RA4M1
Recommended input voltage: 6-24V
VIN pin & barrel jack (6-24V input)
USB-C power supply (5V) -
Communication
1x UART (D0, D1)
1x SPI (D10-D13, ICSP header)
1x I2C (A4, A5, SDA, SCL)
1x CAN (D4, D5, requires external transceiver) -
Wireless Connectivity
Wi-Fi 4 (802.11 b/g/n) – Up to 150 Mbps, 2.4 GHz band
Bluetooth 5
Package Includes:
1 x Official Arduino UNO EK (एक) R4 WiFi Made in India
Specifications
| 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 |
Comparison Table
| 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 | ₹1339 | ₹2299 VIEW |
Shipping & Returns
Shipping & Returns
- All orders confirmed before 3 pm IST are shipped on the
same day, barring rare pickup delays on holidays or disturbances - Delivery time in Metro cities is 1-3 days, Others it is
3-7 days. It varies based on location, reliant on courier services - Return window: 7 days from receipt unless stated
otherwise. No refunds/replacements after - Returns only for non-working/damaged products are accepted
- Initiate return requests to our customer service team via Support ticket or contact us at +91-8123057137
- Refunds are processed within 3-4 working days post inspection and approval.
For more details, please check our Shipping and Return Policy
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I have used indian made Arduino uno (old version) but this one with Arduino Design with a really good price is worthy. Quality is top notch. All pins/ parts are working.
For the price, this board offers great quality and features. Highly recommended for makers.
Ideal for prototyping IoT and automation projects. The WiFi feature adds great value.
Customer support was very helpful in answering my questions about WiFi setup. Their guidance made the process easier.
Shipping was much faster than expected. The board arrived in perfect condition, allowing me to start my project right away.