Arduino Leonardo with Headers [A000057]
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Lorenzo
11-04-2025Arduino have awesome products and this one is not the exception, great for keyboard and mouse simulation, and great to newbies
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TDK
11-04-2025This 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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Regnad Kcin
> 3 dayInfinite possibilities with only the mind to limit what can be done. Can I make a robot mow my lawn? Wash my car? protect my house? Heck ya! Feed the dog, pick up the !@@#4%^ from the dog! Write code and learn. Stretch the gray matter. Start a project with your kid and make it a bonding memory. If a flunky old truck driver like myself can do it, who cant? Someone worked very hard to make this controller format simple.
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Justin
> 3 dayThe board comes certified Arduino built in Italy, so it is legit. The boarditselfisamazing. Compared to the bread and butter UNO R3, this board is much smaller of a profile then the UNO. The MicroUSB is so convent and nice to have. It slims down the overall profile of the board and means I now have more options for cables and so forth.
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Neva Schuster II
> 3 dayexcelente
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Kristin S.
> 3 dayUsed this little board to build a process controller. Easy to implement in a chassis with all the other components. Only downside is the headers are not quite as secure as desired.
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Krystal
09-04-2025Worked as intended for my homebrew controller.
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T
> 3 dayAppears to be genuine, and has a nice plastic base attached to it.
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$LoTh
> 3 dayWorks well to emulate keyboards. It took me a little while to get the code just right for my project, but this was my first time using Arduino.
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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.
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
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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.