Arduino Uno Rev3 Microcontroller Board (A000066)
Available in stock (385)
Key Features
- ATmega328P Microcontroller — Reliable 8-bit processor built for embedded projects of all sizes
- 14 Digital I/O Pins — 6 configurable as PWM outputs for motors, LEDs, and more
- 6 Analog Input Pins — Read sensors and analog signals with ease
- 16 MHz Clock Speed — Ceramic resonator for stable, consistent performance
- USB Type-B Connectivity — Program and power the board directly from any computer
- Flexible Power Options — Runs on USB, AC-to-DC adapter, or battery
- ICSP Header & Reset Button — Full control over programming and restarting your board
The Arduino Uno Rev3 (A000066) is the world's most popular open-source microcontroller board and the reference platform for the entire Arduino ecosystem. Powered by the ATmega328P, it delivers everything you need to start building electronics projects right out of the box — simply connect via USB or plug in a power adapter and you're ready to go. Its straightforward design and massive community support make it the most documented and widely used development board available.
With 14 digital I/O pins, 6 analog inputs, and full compatibility with hundreds of Arduino shields and libraries, the Uno Rev3 handles everything from simple LED circuits to complex sensor arrays and automation projects. If anything goes wrong, the ATmega328P chip is user-replaceable for just a few dollars — so you can always start fresh without scrapping the whole board.
Ideal For
- Beginners & Students — The easiest entry point into electronics and programming
- Hobbyists & Makers — Rapid prototyping with a massive library of shields and add-ons
- Educators — A proven classroom tool for teaching coding and circuit design
- IoT Enthusiasts — A reliable base platform for connected device projects
- Professional Prototypers — Fast iteration before moving to custom PCB designs
Couldn't load pickup availability
About Brand
About Brand
Arduino development boards are open-source microcontroller platforms designed for learning, prototyping, and product development. They are widely used by students, makers, and engineers to build and test electronic projects quickly and efficiently.
Shipping & Rerturns
Shipping & Rerturns
• Shipping: Orders are processed within 1–2 business days. Standard delivery takes 3–7 business days depending on your location.
• Returns: You may return or exchange products within 30 days of receiving your order. Items must be in original condition with proof of purchase.
If your item is defective or damaged due to manufacturing issues, we’ll gladly replace it at no additional cost.
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
Discover more in our FAQ
Shoot our team an email & we’ll get back to you ASAP
How long does it take to process an order?
How long does it take to process an order?
Orders are typically processed within 1–2 business days. You will receive a confirmation email with tracking details once your order has been shipped. Please note that processing times may be slightly longer during high-demand periods or sales events.
Do you ship internationally?
Do you ship internationally?
Yes, we offer international shipping to most countries. Shipping rates and delivery times vary depending on the destination. Any applicable customs duties or taxes will be the responsibility of the recipient.
What is your return policy?
What is your return policy?
We accept returns within 30 days of delivery. To be eligible, items must be unused, in their original packaging, and accompanied by proof of purchase. If the item is faulty or damaged, please contact us for further instructions. For returns due to reasons other than product defects or our error, customers are responsible for return shipping costs.