Original Arduino UNO EK R4 WiFi - Made in India

Original Arduino UNO EK R4 WiFi - Made in India

The Official Arduino Uno 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

1. Main MCU
   Renesas RA4M1 (R7FA4M1AB3CFM#AA0) – Controls all pin headers and communication buses
2. 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)
3. Memory
   256 kB Flash Memory
   32 kB SRAM
   8 kB EEPROM (Data Memory)
4. Peripherals
   Capacitive Touch Sensing Unit (CTSU)
   USB 2.0 Full-Speed (USBFS)
   14-bit ADC
   Up to 12-bit DAC
   Operational Amplifier (OPAMP)
5. Power
   5V operating voltage for RA4M1
   Recommended input voltage: 6-24V
   VIN pin & barrel jack (6-24V input)
   USB-C power supply (5V)
6. Communication
   1x UART (D0, D1)
   1x SPI (D10-D13, ICSP header)
   1x I2C (A4, A5, SDA, SCL)
   1x CAN (D4, D5, requires external transceiver)
7. 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 R4 WiFi Made in India

Specifications