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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, 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.
| 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 |
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 |
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.