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 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
- 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.
- 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