Arduino

Emily Johnson

-Mar 13, 2026, 8:21 AM

Arduino (/ɑːrˈdwiːnoʊ/) is an Italian open-source hardware and software company (owned by Qualcomm), as well as a project and user community that designs and manufactures single-board microcontrollers and microcontroller kits for building digital and... Its hardware products are licensed under a CC BY-SA license, while the software is licensed under the GNU Lesser General Public License (LGPL) or the GNU General Public License (GPL),[1] permitting the manufacture of... Arduino boards are available commercially from the official website or through authorized distributors.[2] Arduino board designs use a variety of microprocessors and controllers. The boards are equipped with sets of digital and analog input/output (I/O) pins that may be interfaced to various expansion boards ('shields') or breadboards (for prototyping) and other circuits. The boards feature serial communications interfaces, including Universal Serial Bus (USB) on some models, which are also used for loading programs.

The microcontrollers can be programmed using the C and C++ programming languages (Embedded C), using a standard API which is also known as the Arduino Programming Language, inspired by the Processing language and used... In addition to using traditional compiler toolchains, the Arduino project provides an integrated development environment (IDE) and a command line tool developed in Go. The Arduino project began in 2005 as a tool for students at the Interaction Design Institute Ivrea, Italy,[3] aiming to provide a low-cost and easy way for novices and professionals to create devices that... Common examples of such devices intended for makers include simple robots, thermostats, and motion detectors. The name Arduino comes from the Bar di Re Arduino, where some of the project's founders used to meet. This bar is in Ivrea, Italy and was named after Arduin.[4][5]

The Arduino project was started at the Interaction Design Institute Ivrea (IDII) in Ivrea, Italy.[3] At that time, the students used a BASIC Stamp microcontroller at a cost of $50. In 2004, Hernando Barragán created the development platform Wiring as a Master's thesis project at IDII, under the supervision of Massimo Banzi and Casey Reas. Casey Reas is known for co-creating, with Ben Fry, the Processing development platform. The project goal was to create simple, low cost tools for creating digital projects by non-engineers. The Wiring platform consisted of a printed circuit board (PCB) with an ATmega128 microcontroller, an IDE based on Processing and library functions to easily program the microcontroller.[6] In 2005, Massimo Banzi, with David Mellis,... The new project, forked from Wiring, was called Arduino.[6]

Arduino IDE is a free and open-source programming environment. With a community-driven system and simple interface, the program makes it easier to code websites and applications. You don't need to have any technical skills or knowledge to use beginner-friendly software. In order to code, people need to take years of courses to understand even basic concepts. Compared to Euphoria, Visual Studio, and Atom, Arduino IDE makes it easier to practice the knowledge you’ve gained, while also learning from a solid community of software engineers and other professionals. To support programming for beginners, the coding software comes with multiple templates.

This can be quite helpful in developing apps. Each template is relevant for a specific function or use case. Some templates work with basic codes like KeyboardLogout and Blink, which you can use to create more sophisticated codes. Templates can be practical for creating codes with similar functions or adding simple codes to multi-functional algorithms. Arduino IDE is an open-source programming tool, which lets users upload or write code. With this program, you can work in real-time.

Moreover, the code can be moved to the Cloud, so you can frequently and easily access your creations without redundancy. It’s important to note that Arduino IDE offers compatibility with a range of Arduino-based boards. You can deploy this tool on Windows, Mac, and Linux operating systems. Arduino IDE is easy-to-use coding software, making it simpler for beginners to get started with programming. In simple terms, it’s a text processor with coding-specific functions. An important function is auto-formatting, which can be quite helpful for people who don’t understand how to format code.

With a single click of the mouse, you can arrange the code in an understandable format. Additionally, the program features multiple templates, which can be for complex sketches in the text processor. The best part about using Arduino IDE is the community-driven system. With an active user base, it becomes easier to find creations from experienced programmers. Moreover, you can find various troubleshooting tips and feedback on your coding skills. The focus on the community is clearly noticeable in the programming environment’s interface, which integrates the forums in the layout.

Users can upload the code directly to the forums, letting them conveniently obtain feedback and tips. This organization hosts the various open-source projects managed by the Arduino team, including: Maintaining these projects and handling community contributions is a hard job. Please support us by buying original Arduino products. We value contributions and we provide the most active and constant contributors with public recognition and hardware goodies. To report potential vulnerabilities, please see our security policy.

Last updated on January 6th, 2026 at 11:06 am Hi, this top 100 Arduino Projects list is divided into 3 levels: Level 1: For beginners who are just starting their Arduino journey. Level 2: Intermediate projects for those who have mastered all the basics of Arduino and Electronics. Level 3: For advanced-level hobbyists and engineers who have experience in 3D designing, CAD, Electronics, and Microcontrollers.

Arduino

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