Arduino UNO R4 WiFi (EK Version) – Made in India | 32-Bit IoT Development Board with Bluetooth & LED Matrix

Description

🛠️ Arduino UNO R4 WiFi EK – Made in India | 32-Bit IoT Development Board with ESP32, BLE, and LED Matrix

The Arduino UNO R4 WiFi EK – Made in India is a powerful upgrade to the classic UNO board, offering next-generation features for modern embedded and IoT applications. Designed and assembled in India, this board is perfect for students, hobbyists, developers, and engineers who want performance, connectivity, and flexibility — all in the familiar UNO form factor.

This board combines the Renesas RA4M1 (R7FA4M1AB3CFM#AAO) 32-bit Arm® Cortex®-M4 microcontroller with the ESP32-S3-MINI-1-N8 wireless module for dual-core processing, Wi-Fi, and Bluetooth Low Energy (BLE) capabilities. Whether you’re building a smart home device, sensor network, automation system, or learning embedded systems, this board gives you all the tools you need.

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🔧 Key Technical Specifications:

• Microcontroller: Renesas RA4M1 (R7FA4M1AB3CFM#AAO), 32-bit ARM Cortex-M4

• Wireless Co-Processor: ESP32-S3-MINI-1-N8 (Wi-Fi & BLE)

• Clock Speed: 48 MHz

• Memory: 256 kB Flash (Code), 8 kB Flash (Data)

• Operating Voltage: 5V

• Input Voltage: 6–24V DC

• Pin Configuration:

  • 14 Digital I/O Pins

  • 6 Analog Inputs

  • 6 PWM Outputs

  • 1 DAC Output

• Interfaces: UART, I2C, SPI, CAN

Explore more in our Arduino Boards Collection or see all Made in India Electronics.

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⚡ Standout Features:

• ✅ 12×8 Red LED Matrix – Integrated LED display for simple visual outputs or debugging

• ✅ Qwiic I2C Connector – Seamless connection to sensors and modules in the SparkFun Qwiic ecosystem

• ✅ USB-C Interface – Modern connectivity with easier plug orientation and higher durability

• ✅ HID Support & Onboard Diagnostics – Advanced capabilities for device emulation and debugging

• ✅ Made in India – Supporting local innovation and manufacturing

Looking for accessories? Visit our Sensors & Modules section.

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📐 Physical Dimensions:

• Board Size: 53.4 mm × 68.6 mm

• Compatible with: Arduino UNO R3 Shields

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🌐 Ideal Applications:

• Home Automation Projects

• IoT Prototypes and Smart Devices

• Wireless Sensor Networks

• Educational and STEM Learning

• Robotics and Embedded Systems

Whether you’re designing your first project or scaling up for commercial deployment, the Arduino UNO R4 WiFi EK (Made in India) delivers unmatched value and flexibility. With native wireless support, upgraded performance, and onboard visual output — it’s the perfect board to future-proof your ideas.