Original Arduino UNO EK (एक) R4 WiFi - Made in India

Original Arduino UNO EK (एक) R4 WiFi - Made in India

The Original Arduino UNO EK R4 WiFi is a powerful next-generation development board proudly manufactured in India under the Arduino EK (एक) initiative. Combining the trusted Arduino UNO form factor with modern hardware enhancements, it offers improved processing power, expanded memory, and integrated wireless connectivity for advanced embedded and IoT applications.

Powered by the Renesas RA4M1 32-bit ARM Cortex®-M4 microcontroller and featuring an onboard ESP32-S3 module, the UNO EK R4 WiFi provides seamless Wi-Fi® and Bluetooth® connectivity. It retains compatibility with existing UNO R3 shields while introducing modern features such as a USB-C interface, onboard RGB LED, Qwiic connector, and enhanced power management capabilities.

🔧 Features

• Based on the 32-bit Renesas RA4M1 Cortex®-M4 microcontroller running at 48MHz
• Integrated ESP32-S3 module for Wi-Fi® and Bluetooth® Low Energy connectivity
• Made in India under the Arduino EK (एक) initiative
• Compatible with existing Arduino UNO R3 shields and accessories
• USB-C connector for programming and power
• Onboard RGB LED, Qwiic I2C connector, voltage regulator, and OP AMP
• Enhanced processing power and memory compared to previous UNO generations
• Ideal for IoT, robotics, automation, education, and embedded system development

📋 Specifications

• Main MCU: Renesas RA4M1 ARM Cortex-M4 @ 48 MHz
• Wireless Connectivity: ESP32-S3 Wi-Fi® and Bluetooth® Low Energy
• Flash Memory: 256 kB (RA4M1) + 8 MB (ESP32-S3)
• RAM: 32 kB SRAM
• Digital I/O Pins: 14 (6 PWM Outputs)
• Analog Input Pins: 6
• USB Interface: USB Type-C
• Operating Voltage: 5V
• Input Voltage: 7V–12V via VIN
• Onboard Peripherals: RGB LED, OP AMP, Qwiic Connector, Voltage Regulator
• Board Dimensions: 68.6mm × 53.4mm

📦 Package Includes

• 1 × Original Arduino UNO EK (एक) R4 WiFi – Made in India