Arduino UNO R4 Minima Development Board – Compact Power, Maximum Performance

The Arduino UNO R4 Minima Development Board is the latest and most compact member of the iconic UNO family. Powered by a 32-bit Renesas RA4M1 microcontroller, it delivers higher performance, improved memory, and a modern USB-C connection, all while maintaining the beloved UNO form factor. It’s perfect for hobbyists, students, and professionals seeking a cost-effective yet powerful microcontroller platform.

At Electroxbd, we offer the original Arduino UNO R4 Minima in Bangladesh—trusted by thousands of makers and educators across the country.

⚡ Arduino UNO R4 Minima Overview

The UNO R4 Minima is a refined, minimalist version of the UNO R4, developed for streamlined performance without unnecessary components. It retains full compatibility with the UNO ecosystem while introducing upgraded specs like faster processing (48 MHz), more memory (256KB Flash), and low power consumption.

Unlike the UNO R4 WiFi, the Minima version does not have built-in wireless capabilities, which makes it ideal for applications that demand lower power, smaller footprint, or external module integration. With fewer peripherals and no on-board debug chip, it is also budget-friendly—offering the power of 32-bit computing at the lowest entry point.

🛠 Key Features of Arduino UNO R4 Minima Development Board

• Powerful 32-bit ARM Cortex-M4 Microcontroller – Faster and more efficient than legacy 8-bit boards

• USB Type-C Port – Easier connections and modern compatibility

• 256KB Flash + 32KB SRAM – For advanced sketches and libraries

• 5V Operating Logic – Ensures compatibility with most sensors and shields

• Standard UNO Form Factor – Fits existing shields and accessories perfectly

📊 Technical Specifications of Arduino UNO R4 Minima

• Microcontroller: Renesas RA4M1 (ARM Cortex-M4, 48 MHz)

• Operating Voltage: 5V

• Input Voltage (Recommended): 7–12V

• Digital I/O Pins: 14 (6 with PWM capability)

• Analog Input Pins: 6

• Flash Memory: 256KB

• SRAM: 32KB

• USB Port: USB Type-C

• Clock Speed: 48 MHz

• Dimensions: 68.6mm x 53.4mm

• Weight: ~25g

• Communication: UART, I2C, SPI

🔍 Applications of Arduino UNO R4 Minima

The Arduino UNO R4 Minima is ideal for a wide range of electronics and automation projects. It’s particularly suited for low-cost systems, custom PCB integration, or space-sensitive applications.

• Robotics – Drive motors, read sensors, and execute real-time commands

• IoT Gateways – Use with external WiFi/Bluetooth modules for connected devices

• Educational Projects – Learn embedded systems with a future-proof board

• Automation – Monitor and control relays, lights, and switches

• Custom Devices – Embed in your own circuit with minimal footprint

🔧 Working Principle

The UNO R4 Minima runs on the Renesas RA4M1 microcontroller, which features a 32-bit ARM Cortex-M4 CPU. It executes user-uploaded code using the Arduino IDE and interfaces with peripherals through standard GPIO, UART, SPI, and I2C.

Once powered by USB or an external power source, the board reads your sketch from flash memory and operates in real-time. With its enhanced clock speed, it can perform time-critical tasks faster and with more precision than earlier UNO boards.

Because the Minima lacks a debugger chip and has a simpler layout, it also consumes less power—making it suitable for battery-powered designs.

✅ Why Choose Arduino UNO R4 Minima?

• Compact & Efficient: Offers high performance in a minimal design

• Modern Interface: USB-C ensures reliable connection and easier plug-in

• Affordable Upgrade: More powerful than UNO R3 at a similar price

• Backward Compatible: Uses the same layout and pinout as UNO R3

• Community & Resources: Official Arduino board with vast documentation and support

📦 What’s in the Box?

• 1 x Original Arduino UNO R4 Minima Development Board

• Anti-static protective packaging

💡 Why Buy from Electroxbd?

As one of the top electronics retailers in Bangladesh, Electroxbd.com is trusted for original parts, fast shipping, and expert support. When you order from us:

• 🔒 Guaranteed Authentic Product

• 🚚 Fast Nationwide Delivery

• 💬 Responsive Customer Support

• 💸 Affordable Local Pricing

• 📘 Help with Getting Started & Projects

We deliver to Dhaka, Chattogram, Khulna, Rajshahi, Sylhet, Barisal, and all districts in Bangladesh.

🔗 Compatible Accessories Available at Electroxbd

• Breadboards and jumper wires

• Sensors and actuators

• Power supply modules

• External WiFi/Bluetooth modules

• Arduino-compatible shields and cases

You’ll find all the accessories you need to expand your UNO R4 Minima projects in our store.

🛒 Order Now from Electroxbd.com

The Arduino UNO R4 Minima is your go-to board for learning, prototyping, and building reliable systems. Whether you’re just starting or scaling up your project, this board offers excellent value with modern features.

👉 Buy now from Electroxbd.com
📞 WhatsApp for Support: 01600334238

Arduino UNO R4 Minima – Small Size, Maximum Innovation!

Common Questions:

Q: What is the price of Arduino UNO R4 Minima Development Board in Bangladesh?

A: The latest price of Arduino UNO R4 Minima Development Board in Bangladesh is 1150 BDT.

Q: Where to buy Arduino UNO R4 Minima Development Board in Bangladesh?

A: You can buy the Arduino UNO R4 Minima Development Board at the best price from ElectroXBD in Bangladesh.