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Official Arduino UNO EK (एक) R4 Minima board with USB port, headers, and main components
Arduino UNO board layout showing digital and analog pin headers on R4 Minima
Arduino UNO R4 Minima backside with PCB traces, solder pads, and board layout details
Arduino UNO R4 microcontroller and surrounding circuitry on official board
Click to enlarge
Official Arduino UNO EK (एक) R4 Minima board with USB port, headers, and main components
Arduino UNO board layout showing digital and analog pin headers on R4 Minima
Arduino UNO R4 Minima backside with PCB traces, solder pads, and board layout details
Arduino UNO R4 microcontroller and surrounding circuitry on official board

Official Arduino UNO EK (एक) R4 Minima – Made in India

(5 customer reviews)
SKU: DEV-OA102

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Original price was: ₹940.00.Current price is: ₹790.00. (Inc. GST)

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  • Supports standard 5V logic for easy interfacing with electronic modules
  • Compatible with Arduino IDE and a wide range of existing libraries
  • Includes 14 digital I/O pins with 6 PWM output channels
  • USB Type-C interface provides convenient power and data connectivity
  • Stable performance suitable for embedded systems and learning projects
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Description

The Official Arduino UNO EK (एक) R4 Minima is an 32-bit microprocessor development board, offering more speed, memory, connectors, connectivity and peripheral control compared to earlier 8-bit designs. This board follows the same layout and pin configuration as the original arduino uno, which means it remains compatible with existing shields, modules, and accessories.

Developers can continue using the familiar Arduino IDE environment while benefiting from enhanced processing performance and expanded capabilities.

In practical applications, the board can interface easily with common electronic components such as sensors, relays, motors, displays, and communication modules. The 5V logic compatibility ensures smooth integration without requiring additional level shifting in most cases.

The Official Arduino UNO EK (एक) R4 Minima is a non wifi development board suitable for prototyping, embedded system design, and IoT-based applications where reliable performance is required. StemVolt provides this arduino uno r4 boad for project developers and embedded engineers looking to build scalable and efficient systems.

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Features:

  • Powered by a 32-bit microprocessor for improved performance
  • Supports Arduino IDE for programming and debugging
  • 5V logic level operation for standard electronic components
  • Compatible with existing shields and modules
  • Stable USB interface for communication and programming
  • Suitable for learning and advanced engineering projects

Technical Specifications:

Specification Details
Product Official Arduino UNO EK (एक) R4 Minima
Microcontroller | Chip 32-bit Microprocessor | R7FA4M1AB3CFM# AA0
Operating Voltage 5V | 6–24V (Input Range)
Interface UART | I2C | SPI | CAN
Compatibility Arduino IDE, Shields, Modules
Pinout 14 Digital | 6 Analog | 6 PWM | 1 DAC
RAM | Flash Memory 32kB | 256kB (CODE), 8kB (DATA)
Dimensions 68.6 × 53.4 mm

 Applications:

  • Embedded system using Official Arduino UNO EK (एक) R4 Minima
  • Use for Robotics projects and automation systems
  • IoT and connected device development
  • Rapid prototyping compatible with Arduino IDE
  • Sensor interfacing and real-time control systems
  • Prototyping projects requiring more speed, memory, connectors and connectivity

Package Includes:

  • 1 x Official Arduino UNO EK (एक) R4 Minima
Frequently Asked Questions
What is the Official Arduino UNO EK R4 Minima used for?
+
The Official Arduino UNO EK R4 Minima is used for building embedded systems, automation, and control-based electronics projects. This Made in India board offers improved performance and is suitable for students, makers, and engineers learning advanced microcontroller programming.
How does the Official Arduino UNO EK R4 Minima work?
+
The board executes code uploaded through the Arduino IDE and controls connected components via input/output pins. Built on 32-bit architecture, it handles faster computations and interacts with sensors, actuators, and communication modules to perform automated tasks efficiently.
Is the Official Arduino UNO EK R4 Minima compatible with older Arduino projects?
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Yes. It maintains compatibility with many existing Arduino UNO R3 projects. Its similar form factor and pin configuration make upgrading easier. Some code adjustments may be needed for advanced features when migrating from older Arduino UNO setups.
What kind of projects can be built using the Official Arduino UNO EK R4 Minima?
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Users can build automation systems, robotics controls, CAN BUS communication setups, and audio signal projects using DAC. This Arduino UNO R4 board is ideal for applications requiring better processing power and developing more complex embedded systems.
What should I consider before using the Official Arduino UNO EK R4 Minima?
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Ensure proper understanding of voltage levels and peripheral compatibility before use. As a Made in India board, it offers enhanced features but may require updated libraries. StemVolt recommends reviewing documentation and testing modules carefully when upgrading from older Arduino UNO setups.
Q1. Delivery time and shipping charges?

We dispatch orders within 24 hours (excluding Sundays and public holidays), and delivery takes 3-7 days depending on your location. Shipping is free above ₹999; a flat ₹89 fee applies below that.

Q2. How can I track my order?

Once your order is dispatched, you'll get a tracking ID and live tracking link via email, SMS, and WhatsApp.

Q3. What if my package arrives damaged or tampered with?

Inspect the package on delivery. If it's damaged or tampered with, refuse it and contact us at +91 80786 38838 or support@stemvolt.in.

Q4. Is Cash on Delivery (COD) available?

Yes, on orders between ₹199-₹5,000 with a ₹49 fee. Our team calls to confirm every COD order before dispatch — unanswered calls lead to automatic cancellation.

Q5. Do you accept returns?

Yes, within 4 days of delivery for genuine issues like defective, damaged, or incorrect items. No exchanges — approved returns are refunded to your original payment method only.

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Customer Reviews

4.4
5 reviews
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3
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5 reviews for Official Arduino UNO EK (एक) R4 Minima – Made in India

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  1. Praveen Kulkarni –

    Compatible with Arduino IDE and existing libraries, making project development smooth and beginner friendly

  2. Aniket Sharma –

    Reliable Arduino board

  3. Ritesh Choudhary –

    Go to kit store

  4. Harshal Desai –

    Received this official Arduino UNO R4 Minima in 3 days with safe packaging, board performance is stable and team support responsive.

  5. Nandini Verma –

    Best purchase ever

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