ELEGOO UNO R3 Board 32KB
Product description
At a glance
The ELEGOO UNO R3 board is an Arduino‑compatible microcontroller board designed for hobbyists, students and makers who need a reliable development platform. It combines a familiar UNO layout with straightforward connectivity and comes with a USB cable so you can start programming straight away. The board’s 32KB flash and 2KB RAM provide a balanced base for learning and light to moderate projects, and it supports the official Arduino IDE for immediate use.

Tech specs


- Name: ELEGOO UNO R3
- Type: Arduino-compatible board
- Memory: 32KB program storage
- Processor: 16MHz crystal oscillator
- Memory: 2KB RAM
- Input: USB 5V input, 7V-12V DC input
- I/O: 14 digital I/O pins with 6 PWM, 6 analog inputs

Benefits
Practical and cost effective, this UNO R3 is useful as a classroom board or a personal prototyping tool. It offers standard interfaces such as UART, I2C and SPI for broad shield and sensor compatibility. The included USB cable removes a common barrier to getting started, and the board’s specifications are sufficient for robotics basics, simple IoT experiments and interactive art projects. Note that for extended projects a stable 9V 1A charger is recommended according to the manufacturer.



Everyday use
Getting projects running is straightforward thanks to full IDE compatibility and access to extensive Arduino libraries. You can upload sketches, read sensor data and control actuators with minimal setup. It suits step‑by‑step learning and quick iterations when testing circuits.

Who it’s for
It’s a good fit if you want an affordable, well documented starting point for electronics and coding practice. You’ll like it if you value ease of use, compatibility with common shields and a predictable development workflow. ELEGOO UNO R3 is presented as a versatile entry board with clear, practical limits on power and memory, so keep expectations realistic for very large or memory‑heavy applications. 😊🔧
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