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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
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 | Rs 1339 | Rs 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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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 |
Warranty Coverage:
This product comes with a 1-year manufacturer warranty from the date of purchase, covering manufacturing defects only.
Warranty Void If:
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.
