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High-Performance Processing: Features the Atmel ATmega328P microcontroller for reliable execution of complex logic and interactive projects.
Versatile I/O Interface: Equipped with 14 digital input/output pins and 6 analog inputs to support sensors, LEDs, buzzers, and buttons.
Dual Power Flexibility: Supports seamless power via USB connection or external 5V-9V DC input for standalone field operation.
User-Friendly Development: Compatible with the Processing/Wiring environment (Java/C) making it ideal for both beginners and experienced makers.
Complete Prototyping Set: Includes a high-quality USB interface cable for immediate ISP downloading and programming right out of the box.
Building interactive electronic projects often requires a balance between complex coding and hardware accessibility. This UNO R3 Development Board solves this by providing an open-source hardware platform that translates Java and C-based Processing into real-world actions. Whether you are a student learning embedded systems or an engineer prototyping a DIY robotics solution, this board provides the stable logic control needed to bring your ideas to life.
This Atmel ATmega328P based controller is engineered for technical versatility and broad sensor integration. It acts as the central hub for your smart home or IoT projects. The board includes:
Technical product information: The UNO R3 Improved Version features an optimized circuit layout for ISP download functionality and standard 2.54mm pitch headers for breadboard compatibility. It operates on a 5V-9V external supply or via the included USB data cable, which provides both power and data transmission. The blue PCB construction is designed for heat dissipation and long-term durability in educational kits, STEM learning environments, and professional prototyping setups.







Shipping | Delivery Period | For in-stock parts, orders are estimated to ship out in 3 days. Elecbee ships orders once a day at about 5pm except Sunday. Once shipped, estimated delivery time depends on the below carriers you chose. DHL Express: 3-7 business days DHLeCommerce: 12-22 business days FedEx International Priority: 3-7 business days EMS: 10-15 business days Registered Air Mail: 15-30 business days | |
| Shipping Rates | Shipping rates for your order can be found in the shopping cart. | ||
| Shipping Options | Shipping rates for your order can be found in the shopping cart. | ||
| Shipping Tracking | We will notify you by email with tracking number once order is shipped. You can track your order using the “Track My Order” feature. | ||
| Returning/Warranty | Returning | Returns are normally accepted when completed within 30 days from date of shipment, please contact customer service for a return authorization. Parts should be unused and in original packaging. Customer has to take charge for the shipping | |
| Warranty | All Elecbee purchases come with a 30-day money-back return policy, plus 1-year Elecbee warranty against any manufacturing defects. | ||
| This warranty shall not apply to any item where defects have been caused by improper customer assembly failure by customer to follow instructions, product modification, negligent or improper operation | |||
| Ordering | How to Buy | Elecbee accepts online orders. | |
| Add to cart > Check out > Submit order > Complete payment > Delivery | |||
| Payment | PayPal, Credit Card includes Visa, Master, American Express, Bank transfer. | ||