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Arduino Uno R4 (एक) Minima WiFi Development Board with USB port, headers, and onboard components
Nano Microcontroller chip on Arduino Uno R4 Minima board with surrounding circuitry
Arduino Uno R4 Minima WiFi board backside showing PCB traces and solder pads layout
RF Module section on Arduino Uno R4 Minima WiFi board showing wireless communication components
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Arduino Uno R4 (एक) Minima WiFi Development Board with USB port, headers, and onboard components
Nano Microcontroller chip on Arduino Uno R4 Minima board with surrounding circuitry
Arduino Uno R4 Minima WiFi board backside showing PCB traces and solder pads layout
RF Module section on Arduino Uno R4 Minima WiFi board showing wireless communication components

Arduino Uno R4 (एक) Minima WiFi Development Board

(6 customer reviews)
SKU: DEV-OA101

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Original price was: ₹1,695.00.Current price is: ₹1,475.00. (Inc. GST)

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  • Improved performance with the Arduino Uno R4 board architecture
  • Built-in WiFi capability supports IoT and cloud-connected applications
  • Based on the Renesas RA4M1 32-bit microcontroller platform
  • Standard UNO form factor ensures compatibility with existing shields
  • USB interface enables simple programming and debugging workflows
  • Enhanced memory and processing capability for advanced embedded projects
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Description

The Arduino Uno R4 (एक) Minima WiFi Development Board is a next-generation upgrade to the widely used arduino uno platform. It is built around the 32-bit microcontroller, offering significantly better performance, memory, and peripheral support compared to earlier 8-bit boards.

This USB Type-C WiFi Development Board allows users to build connected applications without relying on external communication modules. It maintains the same form factor and pin configuration as traditional arduino uno boards, making it easy to reuse existing shields, sensors, and circuits. This backward compatibility is particularly useful for upgrading older projects to newer hardware without redesigning the system.

The board operates at 5V logic levels, ensuring compatibility with commonly used components such as relays, displays, motors, and sensor modules. Its improved processing capability makes it suitable for more demanding tasks like real-time data processing, communication protocols, and IoT-based automation systems.

StemVolt provide the Arduino Uno R4 (एक) Minima WiFi Development Board for students and makers who require a reliable and modern advanced projects alike.

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Features:

  • 48 MHz ARM Cortex-M4 runs real-time control loops three times faster than R3
  • 256 KB flash stores large Arduino sketches with full library support included
  • Built-in 12×8 LED matrix displays sensor data and text without external wiring
  • ESP32-S3 manages WiFi and BLE stack without loading the main processor
  • Single DAC output pin generates analog signals without any external IC needed

Technical Specifications:

Specification Details
Development Board Arduino UNO EK (एक) R4 Minima WiFi Type-C
Connectivity WiFi and Bluetooth LE
Main Chip R7FA4M1AB3CFM (ARM Cortex-M4)
Wireless Chip ESP32-S3-MINI-1-N8
Clock Speed 48 MHz
RAM 32 KB
Flash Memory 256 KB (Code) / 8 KB (Data)
Interface UART / I2C / SPI / CAN
Operating Voltage 5V
Input Voltage Range 6–24V
Digital Pins 14
Analog Pins 6
PWM Pins 6
DAC Output 1
LED Matrix 12×8 Onboard
Dimensions 53.4 × 68.6 mm

Applications:

  • IoT engineers use Arduino Uno R4 (एक) Minima WiFi Development Board to push live sensor readings over WiFi to cloud dashboards
  • Arduino for students projects use onboard LED matrix for visual science fair demonstrations
  • 32-bit microcontroller speed handles PID motor control loops cleanly in robotics builds
  • USB Type-C WiFi Development Board connects directly to modern laptops for fast firmware flashing
  • College automation projects use CAN bus interface for multi-node communication on single wire

Package Includes:

  • 1 x Arduino Uno R4 (एक) Minima WiFi Development Board

Frequently Asked Questions
What is the Arduino Uno R4 (एक) Minima WiFi Development Board used for?
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The Arduino Uno R4 (एक) Minima WiFi Development Board is a next-generation development board designed for building advanced embedded and IoT systems. As a WiFi Development Board, it allows wireless connectivity along with processing capabilities. It is ideal for Arduino for students who want to move beyond basics and build real-world connected electronics projects.
How does the Arduino Uno R4 (एक) Minima WiFi Development Board work?
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The Arduino Uno R4 (एक) Minima WiFi Development Board works using a powerful Renesas RA4M1 32-bit microcontroller, which processes input signals and executes programmed instructions. It functions as an advanced arduino uno r4 platform, enabling faster computations and improved performance compared to older boards, making it suitable for complex automation and control applications.
Is the Arduino Uno R4 (एक) Minima WiFi Development Board suitable for beginners?
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Yes, the Arduino Uno R4 (एक) Minima WiFi Development Board is suitable for beginners as well as advanced users. It supports the same development environment as previous boards, making it easy to learn. It is accessible for Arduino for students looking to explore both basic and intermediate-level embedded systems.
What kind of projects can be built using the Arduino Uno R4 (एक) Minima WiFi Development Board?
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With the WiFi Development Board, users can build IoT-based systems, automation controls, smart monitoring devices, and wireless communication projects. This board supports advanced applications enabling real-time data processing and connected system development.
What should I consider before using the Arduino Uno R4 (एक) Minima WiFi Development Board?
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Before using the Arduino Uno R4 (एक) Minima WiFi Development Board, ensure compatibility with your sensors and modules, especially voltage levels and communication protocols. Since it is a WiFi Development Board, stable power supply and network configuration are important. StemVolt recommends understanding the board architecture before integrating it into larger embedded or IoT systems.
How Long Does Delivery Take?

We know you want your order as fast as possible so we do our best to get it out as fast as possible. Most orders are packed and shipped within 12 hours of order confirmation. Delivery is usually 3-7 business days depending on your location. Orders in big cities tend to arrive faster, but delivery to remote areas might take a bit longer. When your order is shipped we will send you tracking details via WhatsApp. This allows you to follow your order all the way to your doorstep.

2. What should I do if I receive a damaged product?

If your order is damaged or defective, please contact us within 24 hours of delivery. Best bet is to record an unboxing video before you open the package. This is the fastest way for us to get an idea of what went wrong and get things moving on our end.
We will check the video and then do what we can to get you a replacement ASAP.

3. Do you provide technical support for products?

Yes, STEMVOLT provides basic technical support for most DIY kits, sensors, and electronic components to help you use the product smoothly and without confusion.

4. Is payment on STEMVOLT secure?

Yes, all payments on STEMVOLT are processed through secure and encrypted payment gateways. Your personal and payment information remains completely safe and protected at all times.

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Customer Reviews

4.3
6 reviews
2
4
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6 reviews for Arduino Uno R4 (एक) Minima WiFi Development Board

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  1. Pranay Khandelwal –

    USB interface allows easy programming and debugging while maintaining standard UNO hardware compatibility

  2. Shailesh Bhardwaj –

    Improved performance with Arduino Uno R4 Minima Board and enhanced memory for advanced project development

  3. Ketan Vaidya –

    Bought from the best STEM kit store in India for a college project, enhanced processing capability improved performance and UPI payment smooth process was convenient.

  4. Ayesha Mirza –

    Will order again

  5. Deepanshu Tomar –

    Received this board with professional packing and fast delivery, product quality feels genuine and customer support helpful team responded quickly.

  6. Rupal Banerjee –

    100% genuine product

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