Firstly is the concept of "shields". These are upgrades you can stack on top of the Arduino to add functionality. This could be your own custom-designed circuit board, or one that you've bought, such as an LCD screen. Secondly, because Uno is a standard shape, you'll find a huge range of cases, both ready-made or 3D printable designs to download and print at home, or even modify yourself.
That means anyone can copy the Arduino, modify it, and resell it as their own. This isn't illegal. In fact, Arduino itself is built on the back of other open-source projects. For instance, the Arduino development software is based on Wiring , which is itself based on Processing! The only rule is that you can't call it an actual "Arduino" device because that's a protected trademark. You can however claim that it's "Arduino-compatible". In fact, if you bought all the components individually, you could even make your own from scratch.
But you should only do that that if you want to learn more about what exactly is contained in an Arduino circuit board, not because you want to save money. It isn't cheaper, and the end result isn't as sleek. Some manufacturers create Arduino-compatible boards that are exactly the same, but just cheaper. Some add even more functionality than the original boards have.
They might be in a unique shape designed for a particular application, add some more connectors, perhaps they have an LED matrix display built-in, or have added Wi-Fi. It's perfect for compact internet-of-things and home automation projects. Meanwhile, the Teensy line of development boards pack a much bigger processing punch than Arduino boards, with a tiny form factor—making them perfect for small projects which rely on powerful processing at their core.
Programmable Logic Controllers are not a new concept; they were around long before Arduino. Related: What are Programmable Logic Controllers? But Arduino made it easy.
It combined an easy-to-use piece of hardware—much like electronics kits we grew up with—and an accessible high-level programming environment. Arduino became a community of users around the world who wrote tutorials, shared code, and spread their knowledge. Complex electronics prototypes were no longer the exclusive domain of electrical engineering graduates. Arduino has made hardware projects featuring complex programmable electronics accessible to anyone—so artists and creative types can concentrate on making their ideas a reality.
It's the ultimate tinkering tool! There's not an awful lot you can do with the Arduino by itself. Track My Order. Frequently Asked Questions. International Shipping Info.
Send Email. Mon-Fri, 9am to 12pm and 1pm to 5pm U. Mountain Time:. Arduino is an open-source platform used for building electronics projects. Arduino consists of both a physical programmable circuit board often referred to as a microcontroller and a piece of software , or IDE Integrated Development Environment that runs on your computer, used to write and upload computer code to the physical board. The Arduino platform has become quite popular with people just starting out with electronics, and for good reason.
Unlike most previous programmable circuit boards, the Arduino does not need a separate piece of hardware called a programmer in order to load new code onto the board -- you can simply use a USB cable. Finally, Arduino provides a standard form factor that breaks out the functions of the micro-controller into a more accessible package.
The Uno is one of the more popular boards in the Arduino family and a great choice for beginners. We'll talk about what's on it and what it can do later in the tutorial. Believe it or not, those 10 lines of code are all you need to blink the on-board LED on your Arduino.
The code might not make perfect sense right now, but, after reading this tutorial and the many more Arduino tutorials waiting for you on our site, we'll get you up to speed in no time!
Arduino is a great tool for people of all skill levels. However, you will have a much better time learning along side your Arduino if you understand some basic fundamental electronics beforehand. We recommend that you have at least a decent understanding of these concepts before you dive in to the wonderful world of Arduino. Check out our Arduino Comparison Guide! We've compiled every Arduino development board we carry, so you can quickly compare them to find the perfect one for your needs.
Take me there! The Arduino hardware and software was designed for artists, designers, hobbyists, hackers, newbies, and anyone interested in creating interactive objects or environments. This flexibility combined with the fact that the Arduino software is free, the hardware boards are pretty cheap, and both the software and hardware are easy to learn has led to a large community of users who have contributed code and released instructions for a huge variety of Arduino-based projects.
For everything from robots and a heating pad hand warming blanket to honest fortune-telling machines , and even a Dungeons and Dragons dice-throwing gauntlet , the Arduino can be used as the brains behind almost any electronics project. And that's really just the tip of the iceberg -- if you're curious about where to find more examples of Arduino projects in action, here are some good resources for Arduino-based projects to get your creative juices flowing:.
There are many varieties of Arduino boards explained on the next page that can be used for different purposes. Some boards look a bit different from the one below, but most Arduinos have the majority of these components in common:. Every Arduino board needs a way to be connected to a power source. The Arduino UNO can be powered from a USB cable coming from your computer or a wall power supply like this that is terminated in a barrel jack.
In the picture above the USB connection is labeled 1 and the barrel jack is labeled 2. The USB connection is also how you will load code onto your Arduino board. More on how to program with Arduino can be found in our Installing and Programming Arduino tutorial.
The recommended voltage for most Arduino models is between 6 and 12 Volts. The pins on your Arduino are the places where you connect wires to construct a circuit probably in conjuction with a breadboard and some wire. The Arduino has several different kinds of pins, each of which is labeled on the board and used for different functions. Just like the original Nintendo, the Arduino has a reset button Pushing it will temporarily connect the reset pin to ground and restart any code that is loaded on the Arduino.
Unlike the original Nintendo however, blowing on the Arduino doesn't usually fix any problems. This LED should light up whenever you plug your Arduino into a power source. Time to re-check your circuit! TX is short for transmit, RX is short for receive. These markings appear quite a bit in electronics to indicate the pins responsible for serial communication. The black thing with all the metal legs is an IC, or Integrated Circuit Think of it as the brains of our Arduino. This can be important, as you may need to know the IC type along with your board type before loading up a new program from the Arduino software.
This information can usually be found in writing on the top side of the IC. If you want to know more about the difference between various IC's, reading the datasheets is often a good idea. The voltage regulator 14 is not actually something you can or should interact with on the Arduino. The voltage regulator does exactly what it says -- it controls the amount of voltage that is let into the Arduino board.
Think of it as a kind of gatekeeper; it will turn away an extra voltage that might harm the circuit. Arduino makes several different boards, each with different capabilities. In addition, part of being open source hardware means that others can modify and produce derivatives of Arduino boards that provide even more form factors and functionality. Here are a few options that are well-suited to someone new to the world of Arduino:.
The Uno is a great choice for your first Arduino. It's got everything you need to get started, and nothing you don't. Teachers and students use it to build low cost scientific instruments, to prove chemistry and physics principles, or to get started with programming and robotics.
Designers and architects build interactive prototypes, musicians and artists use it for installations and to experiment with new musical instruments. Makers, of course, use it to build many of the projects exhibited at the Maker Faire, for example. Arduino is a key tool to learn new things. Anyone - children, hobbyists, artists, programmers - can start tinkering just following the step by step instructions of a kit, or sharing ideas online with other members of the Arduino community.
There are many other microcontrollers and microcontroller platforms available for physical computing. All of these tools take the messy details of microcontroller programming and wrap it up in an easy-to-use package.
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