Arduino Leonardo with Headers [A000057]
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Kevin Morris
Greater than one weekDo yourself a favor and buy from the actual Aurdino Site.
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Steve doucee
> 3 dayI bought mine from Mp3Car Store as other users stated that this seller provides genuine Auduino products. Other users were right. Im so glad that I could find the discontinued Leonardo at a good price as my project required the Leonardo specifically. Thanks
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Longhorn
13-04-2025Each Arduino has its own unique set of features while maintaining the compatibility that defines the Arduino standard. Leonardos strong suit, for me, is its ability to communicate with two serial IOs at the same time for a couple of bucks more than the workhorse UNO. This saves a lot of time when talking to the Arduino thru the USB port and the Arduino talking to another serial device (e.g., a XBee radio) at the same time. No more plugging and unplugging USB cables every time you want to change a line of code. WOW!
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TDK
> 3 dayThis is a counterfeit product. The board color is off, the silkscreen doesnt match the Arduino websites reference, and the 501k chip is green instead of gold.
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Mark D.
> 3 dayYou really cant go wrong with a Leonardo board! Its got the same chip as the practice Esplora board which means built-in USB HID capabilities! Ive replaced all my Unos with these for that reason. Great upgrade!
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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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javier fco solis
> 3 dayse realizo un muy buen proyecto
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Steve H.
> 3 dayGreat version of the arduino to learn with. I Have been using it with projects in Amateur Radio. What a great time for technology!
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Gary Samad
> 3 dayGreat board that is the core of my multi-board project. Was able to reduce power consumption with careful code to less than 8 milliamps, and with my solar powered battery it should be able to run forever without replacing batteries. The Leonardo was the best at power savings compared to several other Arduinos that I tried including the Uno, Nano, and Mega.
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Julian M. Cook
Greater than one weekFeature packed board for the money. No reason not to buy genuine Arduino!
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.