Arduino Leonardo with Headers [A000057]
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Bolt
> 3 dayAlmost impossible to get a driver for Win 7
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Jonathan Ortega
11-06-2025Stunning Features Arduino, you can develop systems where the limit is the imagination for a low price and many accessories, excellent development environment, practical and easy to program. Excellent miniature computer.
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Tressa DuBuque
> 3 dayI 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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XXX
> 3 dayThis thing is a lot of fun to play with and its pretty powerful, especially for the costs. Its really well made, I have a few of them and they are built like tanks and you can tell they put a lot of attention to detail into it. A fun thing to consider is that you can use the USB out to emulate a keyboard, allowing you a lot of options when youre looking for ways to make this interact with existing software.
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SAMUEL BELMAR
> 3 dayGood
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courtnek
Greater than one weekSome have posted reviews reporting fake/clone/china duinos or whatever you call them. This may absolutely be true with such a listing with as many sellers as the Arduino Leonardo. So while my experience was positive, your milage may vary.
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NWA Dad
Greater than one week$35 Leonardo board. Its a great board, no complaints, but if I had to do it over again, Id but the $25 UNO board.
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roberto guerrero
> 3 daysuper nice item
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Stempile
> 3 dayThis board is great given the form factor. I like having the surface mount ATMEL chip given the low profile. In my experience the Arduino is a tough little board. I have never had to replace the ATMEL chip so the socket was not a feature I required. Also given the mini USB connector is a plus. All of the other boards I have use this size of connector.
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Joan Susana
> 3 dayIt works just for a few weeks, them it has never work again...
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.