Arduino Leonardo with Headers [A000057]
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μέλισσα
> 3 dayItem arrived today on time. Item described as seller posted. Item already being used for some projects. Totally pleased, Thanks =D
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TimL
> 3 dayWhat can I say? This is the real deal, and not one of the cheaper knock offs. If you need an genuine Arduino Leonardo (with headers), this is what you are looking for.
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mtn rider
> 3 dayWell in truth theres only one uart but has a virtual serial port (usb) thats infinitely useful in debugging apps where the uart serial is in use. I will be buying Leonardos from now on or perhaps the mega clones from China which even lower cost.
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Robert L. Pendergast
> 3 dayI like these micro controllers. Prices vary since the hard and software is open source. Of course the originals are very well made; so are many others. This item was a gift.
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Skiddlywinks
Greater than one weekI built an MDF DDR board with this as the brain. It was a super fun project and the fact someone already had coding built for the button mapping made things that much easier!
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Steve
> 3 dayMany are reviewing these stating they are counterfeit. Mine was sold by Canakit, and its definitely a genuine product. Everything works as it should and Canakit also threw in some extra instructions in case youre new to electronics. Will definitely buy from them again once I have another project in mind.
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SkynetHome
> 3 dayGreat board. Used for Robot Tank. Eventually had to upgrade to a Mega to incorporate all the Servos and sensors I needed. Worked great paired with Adafruit Motor Shield V2
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Tressa DuBuque
10-06-2025I bought this so I could create a macro keyboard (this board appears as a HID to the computer it is attached to). Had it up and running within an hour. Especially liked the dedicated SCL and SDA pins. One thing to be careful of is resetting the board, will result in a new com port assignment - making loading a sketch a little more difficult until you get used to this.
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Darrell Janesak
11-06-2025Great price for this product.
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Kyle Wilshusen
> 3 dayWorks great, but for price perhaps an Uno will work for you?
ABOUT ARDUINO
Arduino is the world’s leading open-source hardware and software ecosystem. The Company offers a range of software tools, hardware platforms and documentation enabling almost anybody to be creative with technology.
Originally started as a research project by Massimo Banzi, David Cuartielles, Tom Igoe, Gianluca Martino, and David Mellis at the Interaction Design Institute of Ivrea in the early 2000s, it builds upon the Processing project, a language for learning how to code within the context of the visual arts developed by Casey Reas and Ben Fry as well as a thesis project by Hernando Barragan about the Wiring board.
WHY ARDUINO?
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InexpensiveArduino boards are relatively inexpensive compared to other microcontroller platforms. The least expensive version of the Arduino module can be assembled by hand, and even the pre-assembled Arduino modules cost not so high. |
Simple, clear programming environmentThe Arduino Software (IDE) is easy-to-use for beginners, yet flexible enough for advanced users to take advantage of as well. For teachers, it"s conveniently based on the Processing programming environment, so students learning to program in that environment will be familiar with how the Arduino IDE works. |
Open source and extensible softwareThe Arduino software is published as open source tools, available for extension by experienced programmers. The language can be expanded through C++ libraries, and people wanting to understand the technical details can make the leap from Arduino to the AVR C programming language on which it"s based. Similarly, you can add AVR-C code directly into your Arduino programs if you want to. |
Open source and extensible hardwareThe plans of the Arduino boards are published under a Creative Commons license, so experienced circuit designers can make their own version of the module, extending it and improving it. Even relatively inexperienced users can build the breadboard version of the module in order to understand how it works and save money. |
ARDUINO CLASSICS
Message from Massimo Banzi - co-founder
“The Arduino philosophy is based on making designs rather than talking about them. It is a constant search for faster and more powerful ways to build better prototypes. We have explored many prototyping techniques and developed ways of thinking with our hands.”
MOST POPULAR OF CLASSICS
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Arduino Uno R3The ideal board for getting started with electronics, through fun and engaging hands-on projects. |
Arduino DuePerfect for powerful larger scale projects, the Arduino Due is based on a 32-bit ARM core microcontroller. |
Arduino Leonardo with HeadersMicrocontroller board based on the ATmega32u4 that has built-in USB communication. |
Arduino Mega 2560 Rev3Designed for your most ambitious projects which require additional pins and extra memory. Ideal for devices like 3D printers. |
ARDUINO CREATE
Connect, Create, Collaborate
Arduino Create is an integrated online platform that enables Makers and Professional Developers to write code, access content, configure boards, and share projects. Go from an idea to finished IoT project quicker than ever before. With Arduino Create you can use an online IDE, connect multiple devices with the Arduino IoT Cloud, browse a collection of projects on Arduino Project Hub, and connect remotely to your boards with Arduino Device Manager. As well you can share your creations, along with step-by-step guides, schematics, references, and receive feedback from others.