UNO R3 Development Board

$9.00 USD
So, what are you waiting for? Unleash your creativity, embrace the possibilities, and let the Lonely Binary UNO-R3 be your guide on this exciting Arduino adventure. Get yours today and let the magic begin! Lonely Binary UNO-R3, your partner in innovation.
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Introducing the Lonely Binary UNO-R3, the ultimate companion for all your Arduino adventures. Packed with endless possibilities, this 100% Arduino Compatible development board is here to unleash your creativity. Get ready to dive into the world of electronics and coding with a board that's as versatile as it is reliable.

With its stackable design, the Lonely Binary UNO-R3 makes expanding your projects a breeze. Add expansion shields with a simple click and watch your ideas come to life. Whether you're a seasoned maker or just starting your Arduino journey, this board is your gateway to endless innovation.

We understand that building projects should be fun, so we've made sure that the Lonely Binary UNO-R3 is not only powerful but also entertaining. It's like having a trusty sidekick by your side, supporting you every step of the way. From blinking LEDs to complex robotics, this board can handle it all.

And let's not forget about our brand, Lonely Binary. We've poured our heart and soul into creating a development board that lives up to our name. Lonely Binary UNO-R3 is a testament to our commitment to quality and excellence. Join the Lonely Binary family and experience the magic of Arduino like never before.

So, what are you waiting for? Unleash your creativity, embrace the possibilities, and let the Lonely Binary UNO-R3 be your guide on this exciting Arduino adventure. Get yours today and let the magic begin! Lonely Binary UNO-R3, your partner in innovation.


Tech Specs

ATMega328P Microcontroller Experience the power and versatility of this high-performance microcontroller that forms the heart of the Lonely Binary UNO-R3.
Extensive EEPROM With 512 bytes of EEPROM memory, you can store and retrieve data easily, making your projects more dynamic and interactive.
Blazing Speed The Lonely Binary UNO-R3 operates at an impressive 16MHz, ensuring fast and efficient execution of your code for smooth operation.
Enhanced USB-Serial Communication Equipped with the ATMega16u2 USB-Serial chipset, enjoy seamless and reliable data transfer between your board and computer.
Abundant Digital IO Take advantage of the 14 digital input/output pins, with 6 of them configurable as either digital or PWM, giving you ample flexibility for your projects.
PWM Capability Harness the power of the 6 PWM-capable pins to achieve precise control over motors, servos, and other components, enabling you to create dynamic and interactive projects.
Versatile Analog Inputs With 6 analog input pins, you can interface with sensors, potentiometers, and other analog devices, expanding the range of possibilities for your projects.
Seamless Serial Connectivity The Lonely Binary UNO-R3 features 1 serial port, allowing you to establish reliable communication with other devices and modules, enabling seamless integration.
Net Weight 22.5 g
Dimension (L) 75 mm x (W) 55 mm x (H) 11 mm


What’s in the Box

  • 1 x UNO R3 Development Board



  • 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


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