The Original Arduino UNO EK R4 WiFi is a powerful next-generation development board proudly made in India. Powered by the Renesas RA4M1 32-bit microcontroller and equipped with an ESP32-S3 module, it combines the simplicity of the classic UNO with modern capabilities like wireless connectivity, increased memory, and enhanced performance.

Designed for makers, students, and engineers, this board includes both Wi-Fi® and Bluetooth® connectivity, allowing for IoT project development right out of the box. It retains the UNO R3 form factor, ensuring compatibility with existing shields and accessories, while offering improved features like a USB-C port, onboard Qwiic connector, and additional onboard peripherals such as an RGB LED, a voltage regulator, and an OP AMP.

Features of Original Arduino UNO EK R4 WiFi – Made in India:

1. Based on 32-bit Renesas RA4M1 Cortex®-M4 microcontroller (48MHz, 256kB Flash)
2. Integrated ESP32-S3 module for Wi-Fi® and Bluetooth® connectivity
3. Made in India under Arduino EK (एक) initiative
4. UNO R3 shield-compatible form factor with enhanced performance
5. USB-C connector for power and programming
6. Onboard RGB LED, voltage regulator, Qwiic I2C connector, and OP AMP
7. Increased number of GPIOs and more flexible power management
8. Ideal for IoT, robotics, and real-world embedded projects

Specifications of Original Arduino UNO EK R4 WiFi:

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

Package Includes:

1 × Original Arduino UNO EK R4 WiFi – Made in India