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Item #:
99046513
KEYESTUDIO Leonardo R3 Atmega32u4 Development Board with USB Cable for Arduino Starter Kit
85% of respondents would recommend this to a friend
Item #:
99046513
MXN 547
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Order now and get it around Sunday, September 27
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Another great Arduino alternative. It works fine and the quality is good.
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Note: Step Up Voltage Transformer required for using electronics products of UK store (230 V). Recommended power converters Buy Now.
What Stands Out
Integrated USB Interface
This board features a built-in USB interface, simplifying the connection to computers and enhancing communication abilities for quicker programming and debugging, making it ideal for beginners.
Versatile Compatibility
Compatible with various Arduino libraries and shields, this development board allows extensive project possibilities, ensuring users can create a wide range of applications without compatibility concerns.
Beginner-Friendly
Designed specifically for beginners, this kit includes all essential components, including a USB cable, offering a hassle-free setup experience that encourages learning and creativity in electronics.
Product Details
| Memory Storage Capacity | 1 MB |
| CPU Model | Intel Core i9 |
| Processor Speed | 16 MHz |
| Network Connectivity Technology | USB |
| Operating System | Windows 7 |
| Processor Brand | Intel |
| Compatible Devices | Computer |
| RAM Memory Technology | DDR3 |
| Processor Count | 1 |
| Total USB Ports | 1 |
| Brand Name | KEYESTUDIO |
| Model Name | Leonardo R3 |
| Box Contents | Usb Cable, keyestudio Leonardo R3 Development Board |
| Number of Items | 1 |
| UPC | 639510750640 |
| Country of Origin | China |
| Model Number | K-S0248 |
| Manufacturer Part Number | K-S0248 |
| Brand | KEYESTUDIO |
| CPU speed | 16 MHz |
| Item Weight | 0.15 lbs (70 grams) |
Who Should Buy?
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Beginners
Ideal for newcomers to programming; the board is user-friendly and compatible with numerous tutorials and resources.
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Hobbyists
Perfect for electronics enthusiasts who want to experiment with projects involving sensors, LEDs, and motors.
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Students
Great for engineering and computer science students who require hands-on experience with microcontrollers and coding.
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Advanced Developers
May not meet the needs of seasoned developers looking for higher processing power and advanced features.
Product Description
KEYESTUDIO Leonardo R3 Atmega32u4 Development Board with USB Cable for Arduino Starter Kit
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What type of microcontroller does the KEYESTUDIO Leonardo R3 use?
Answer: It uses the ATmega32u4 microcontroller. -
Question:
How does the board communicate via USB?
Answer: The ATmega32u4 has built-in USB communication, eliminating the need for an additional USB-Serial chip. -
Question:
What are the power supply options for the Leonardo R3 board?
Answer: It can be powered via micro USB, external power jack (DC 7-12V), or female headers (DC 7-12V).
KEYESTUDIO Microcontrollers K-S0248 Editorial Review
KEYESTUDIO Leonardo R3 Atmega32u4 Development Board With USB Cable For Arduino Starter Kit boasts impressive features such as 1 MB of memory storage capacity and a 16 MHz processor speed, making it suitable for various projects. Users have praised its compatibility with the Arduino IDE, stating it works perfectly right out of the box. Reviewers highlight the tutorial included, which helps newcomers get started effortlessly. The board's ability to handle multiple projects without requiring disconnections of wiring pins is a significant advantage over cheaper alternatives. With its clean design and reliable performance, this board is indeed a valuable addition for electronics enthusiasts.
Customer Reviews & Ratings
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Pros
- Works seamlessly with Arduino IDE
- Compatible with various projects and wiring
- Includes a helpful installation tutorial
- Clean and modern design for aesthetics
Cons
- Might require additional adapters for some setups
Platform Trust & Buyer Confidence
JK
Jasmin
Verified buyer
“Great products and very good service: very easy and very fast international delivery.”
9 September 2026 · via Trustpilot
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Anke
Verified buyer
“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”
10 September 2026 · via Trustpilot
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Hazel
Verified buyer
“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”
10 September 2026 · via Trustpilot
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Opaleye
Verified buyer
“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”
11 September 2026 · via Trustpilot
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Adele
Verified buyer
“Easy to find and order what you want on the website. Delivery is quick to the UK”
8 September 2026 · via Trustpilot
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MXN 547
Order now and get it around Sunday, September 27
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
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Features & Benefits
- KEYESTUDIO Leonardo R3 features the ATmega32u4 microcontroller.
- Eliminates the need for a secondary USB-Serial chip with built-in USB communication.
- Includes 20 digital I/O pins, 12 analog inputs, and 7 PWM outputs.
- Offers multiple power supply options: micro USB, external jack, or female headers.
- Provides 32KB of flash memory, 2.5KB of SRAM, and 1KB of EEPROM.
- Compact design, easy operation, and ideal for various DIY projects.
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