Original Arduino Uno R3 Microcontroller Board with Clear Case
Original Arduino Uno R3 Microcontroller Board with Clear Case
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Short Product Description
Short Product Description
Kickstart your electronics journey with the original Arduino Uno R3, the world’s most popular open-source development board. Powered by the robust ATmega328P chip, this board provides everything you need to build interactive STEM projects, automated robotics, and rapid hardware prototypes. Whether you are a beginner writing your first line of code or an engineer testing complex sensors, the Uno R3 offers plug-and-play simplicity and unmatched reliability. Included with a transparent protective case, it’s ready to bring your next big idea to life right out of the box.
Key Features
Key Features
- Plug-and-Play Simplicity: Connects directly to your computer via USB for instant programming and power, removing the need for complex external programmers.
- High Fault Tolerance: Features a replaceable DIP ATmega328P microcontroller chip, allowing you to easily swap out the brain of the board if accidental short circuits occur.
- Extensive Connectivity: Equipped with 14 Digital I/O pins (6 providing PWM) and 6 Analog pins, giving you the versatility to control multiple actuators and read various sensors simultaneously.
- Massive Open-Source Ecosystem: Backed by the official Arduino IDE and millions of community-developed libraries, ensuring you can find pre-written code for almost any project.
- Protective Transparent Case: Comes with an acrylic enclosure to protect the circuitry from dust and accidental static discharge while keeping the hardware visible.
Full Product Description
Full Product Description
The Industry Standard for Electronics Prototyping
The Arduino Uno R3 is more than just a circuit board; it is the gateway to a global community of over 30 million active makers, educators, and engineers. "Uno" (meaning one in Italian) represents the foundation of the Arduino ecosystem. If you are stepping into the world of electronics and coding for the first time, this is the most robust and heavily documented board available.
Built for Beginners, Trusted by Professionals
Learning to code and wire circuits involves trial and error. The Uno R3 is designed with a high fault tolerance, meaning you can tinker and experiment without the constant fear of permanently damaging your hardware. In the worst-case scenario, the ATmega328P chip is seated in a socket—meaning you can easily pop it out, replace it for a few dollars, and start over. It is the perfect low-risk, high-reward platform for STEM education and rapid engineering prototyping.
Seamless Hardware and Software Integration
Getting started is completely frictionless. The board contains everything needed to support the microcontroller. Simply connect it to your computer via the included USB interface, or power it independently using an AC-to-DC adapter or battery. With 14 digital input/output pins and 6 analog inputs, you have incredible flexibility to connect LED displays, motors, temperature sensors, and communication modules.
Technical Specifications
Technical Specifications
- Microcontroller: ATmega328P
- Operating Voltage: 5V
- Input Voltage (Recommended): 7–12V DC
- Input Voltage (Limit): 6–20V DC
- Digital I/O Pins: 14 (6 with PWM output)
- Analog Input Pins: 6
- DC Current per I/O Pin: 20 mA (recommended), 40 mA (max)
- DC Current for 3.3V Pin: 50 mA
- Clock Speed: 16 MHz Quartz Crystal
- Memory: 32 KB Flash, 2 KB SRAM, 1 KB EEPROM
- Dimensions: 68.6 mm (L) × 53.4 mm (W)
- Weight: 25 g
Delivery Options
Delivery Options
- Local delivery within Hong Kong and in-store pickup.
- Free shipping for orders of HK$400 or above; HK$35 shipping fee for orders below HK$400.
- Shipped by SF Express, usually dispatched the same day for orders confirmed before 6:00 PM (Mon–Sat).
- Estimated delivery time: 1–3 business days after dispatch (Hong Kong).
- In-store pickup details (location and time) will be confirmed by email or phone message.
- Delivery times are estimates and may be affected by weather or unforeseen circumstances.
FAQ Section
FAQ Section
Q. Do I need to know advanced C++ to use this board?
A. Not at all. The Arduino IDE uses a simplified version of C++ with thousands of built-in examples. It is designed specifically for beginners, making the learning curve very gentle.
Q. What happens if I make a wiring mistake and short the board?
A. The Uno R3 is highly resilient. If the main ATmega328P chip is damaged by a severe overvoltage, it can be physically removed from its socket and replaced with a new one economically, saving the rest of the board.
Q. How do I power the board when it is not connected to my computer?
A. You can easily power the board using a standard AC-to-DC wall adapter (7-12V) or a battery pack connected to the DC power jack. The board will automatically switch between USB and external power.
Target Users / Applications
Target Users / Applications
- Students & Educators: Core hardware for STEM curriculums and university engineering projects.
- DIY Hobbyists & Makers: Ideal for smart home automation, interactive art, and custom robotics.
- Engineering Procurement: Reliable, standardized hardware for rapid industrial prototyping and proof-of-concept testing.
