Arduino UNO R3 Development Board Set

16Mhz 32KB Flash 2KB SRAM 1KB EEPROM
$24.00 USD $14.00 USD SAVE 42%
Let the Lonely Binary Uno R3 be your gateway to a realm of boundless innovation.

Set: UNO R3 Set

UNO R3 Set
UNO R3 Starter Kit
UNO R3 Ultimate Kit
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Frequently Bought Together

Total price:$37.00 $27.00

Lonely Binary is thrilled to introduce the Lonely Binary UNO R3 Development Board, a groundbreaking innovation that will revolutionize your creative endeavors. Prepare to embark on an extraordinary journey of discovery and imagination with this remarkable microcontroller board.

Immerse yourself in the world of possibilities that the Lonely Binary UNO R3 offers. With 14 digital input and output pins at your disposal, including 6 dynamic PWM outputs, you'll have the freedom to create, control, and manipulate the digital realm like never before. Let your ideas flourish and watch as your imagination comes to life.

But that's not all. The Lonely Binary UNO R3 also boasts 6 dedicated analog input ports, opening up a universe of analog exploration. Connect sensors, measure precise values, and unlock a new level of precision in your projects. The Lonely Binary UNO R3 empowers you to dive deep into the analog domain and unleash your creativity.

At the core of the Lonely Binary UNO R3 lies a 16 MHz ceramic resonator, pulsating with unwavering precision. This ensures seamless performance, allowing your projects to run smoothly and efficiently. Say goodbye to glitches and hello to a world of reliability.

Connectivity is made effortless with the inclusion of a built-in USB interface. Seamlessly upload your code, communicate with other devices, and bring your projects to life with ease. The Lonely Binary UNO R3 ensures that you stay connected and in control at all times.

Take charge of your projects with the integrated ICSP header and reset button. Fine-tune your creations, optimize their performance, and explore new possibilities. The Lonely Binary UNO R3 gives you the flexibility and control to shape your projects according to your vision.

Compatibility is key, and the Lonely Binary UNO R3 shines in this aspect. It seamlessly integrates with the Arduino IDE, the industry-standard platform loved by millions of developers worldwide. Embrace the power of a thriving community and unlock a wealth of resources, tutorials, and support to fuel your creativity.

Lonely Binary is committed to delivering excellence and unlocking your true potential. The Lonely Binary UNO R3 Development Board is a testament to our dedication to innovation, reliability, and user satisfaction. Join the Lonely Binary family and embark on a journey of boundless imagination and creativity.

Don't let your ideas remain dormant any longer. Let the Lonely Binary UNO R3 be your trusted companion, your creative partner, and your gateway to a world of endless innovation. Experience the magic of the Lonely Binary UNO R3 today and see your imagination come to life.


Tech Specs

Operating Voltage 5V
Input Voltage (recommended) 7-12V
2.1mm Centre-Positive Barrel Jack Connect any 7-12V DC power source with center-positive polarity for optimal performance.
Input Voltage (limits) 6-20V
Digital I/O Pins Enjoy the flexibility of 14 digital input and output pins, including 6 pins that provide PWM output.
Analogue Input Pins Explore the analog world with 6 dedicated analogue input pins.
DC Current per I/O Pin Each I/O pin can handle a current of up to 40 mA, giving you the power to drive various devices and components.
DC Current for 3.3V Pin The 3.3V pin can provide a steady current of 50 mA, ensuring reliable operation for your low-power components.
Flash Memory With 32 KB of Flash memory (ATmega328), you have ample space to store your code and unleash your programming prowess.
SRAM Enjoy 2 KB of SRAM (ATmega328) for efficient data handling and processing.
EEPROM Store up to 1 KB of data (ATmega328) in the built-in EEPROM, preserving valuable information even when the power is off.
Clock Speed Experience the speed and responsiveness of a 16 MHz clock, ensuring seamless performance for your projects.
Net Weight 28 g
Dimension (L) 68.6 mm x (W) 53.4 mm x (H) 12 mm


What’s in the Box

  • 1 x Lonely Binary UNO R3
  • 1 x Crystal Clear Enclosure
  • 1 x USB Cable
  • 1 x DC Battery Cable



  • Australia Orders over $55 - Your order will enjoy free shipping via Australia Post Standard Shipping Services. 
  • International Orders over $99 - Your order will be posted via Australia Post Air Mail Services. 

Raspberry Pi board / Micro:bit board / NVIDIA board will be excluded; All PCB orders will not enjoy free shipping. Distributors and wholesale orders are not eligible for free shipping.


At this time, LONELY BINARY is an online-only business, with our products available through This allows us to keep the cost down for the customer. Orders cannot be picked up. 


We ship Australia wide to all addresses, including PO Box, Parcel Locker, etc.All Australian orders will be shipped via Australia Post, Courier Please or Fastway Couriers (Aramex). International Orders will be shipped via Australia Post or DHL. Your order will be shipped within one business day after we receive payment, providing the items are in stock.

  • Standard Shipping
    Sent via standard Australia Post stamped letter mail, typically 5-9 business days. No tracking/support available other than confirmation of dispatch.
  • Express Post
    Sent via Australia Post Express Service, Fastway Courier or Courier Please, 1 – 2 business days for metro orders, potentially longer for orders outside of metro zones, with full tracking.

Non-metro addresses in WA, NT, SA & TAS can take 2+ days in addition to the above information.

Shipping costs for international orders vary depending on location and package size, where possible we have kept this to flat rate charges to reduce confusion. International orders are shipped through Australia Post and DHL courier service depending on the most economical at the time. 


Shipping Method via Delivery Area Delivery Time(business day) Tracking No. Weight Limit
DHL Asia 1-2 YES No Limit
western EU 2-3 YES No Limit
eastern EU 3-5 YES No Limit
North America 2-3 YES No Limit
Australia 2-3 YES No Limit
South America 3-5 YES No Limit
South Africa 3-5 YES No Limit


Customer Reviews

Based on 145 reviews
Sigmund Funk

Packed in a foam container, everything is intact, no damage, works.

Jaqueline Weissnat

Uno R3 Development Board for Arduino Projects

Sierra Lockman

Uno R3 Development Board for Arduino Projects

Trevion Hilpert

I'm very satisfied

Magdalena Pollich

Uno R3 Development Board for Arduino Projects