 | Level: Intermediate Duane O'Brien , PHP developer, Freelance
22 Dec 2008 Arduino is an inexpensive, easy-to-use electronics platform. The entire platform, both the hardware and the software, is completely open source, and the language is loosely based on C/C++. Arduino was built for makers, tinkerers, and artists who want to take the plunge into creating interactive physical objects. This three-part series starts with basic Arduino hardware and uses it to create an interactive laser game called "'Duino tag," where players can play tag using devices built nearly from scratch. Here in Part 1 of this "Building an Arduino-based laser game" series, we craft basic experiments that prepare us for and are a part of 'Duino tag.
In this tutorial
Whether you're new to Arduino or a seasoned builder, this project has something for you. There's nothing quite as satisfying as creating an interactive physical object, knowing that if it breaks or needs modification, you know where all the parts go and how everything works. The 'Duino tag gun is a great project to work on by yourself or with friends. To complete this project, you should at least have a basic understanding of electronics (you should know what a resistor is, but you don't need to know the science behind one) and have an understanding of programming (you should know what loops and variables are, but you don't need to be able to parse Big O Notation). Don't be afraid to jump right in. To follow along, you don't need any electronics work experience, although experience working with electronic components can certainly serve you well. The same can be said about working with a microcontroller. If you've worked with microcontrollers, you'll have an edge, but keep in mind that the Arduino platform is well suited for people without that experience. Above all, you should be willing to stretch your skills. Working with electronics and microcontrollers can be a rewarding experience. Most software engineers don't get a chance to write code for devices that interface with the physical world, and Arduino provides a low-cost entry point into working with interactive devices.
Prerequisites
See System requirements below.
System requirements
For this tutorial, we need few tools and supplies:
- Computer with USB port
- While technically not true (many kinds of Arduino hardware interface over old-style serial ports), this series is written assuming you are using a model that communicates over USB. There is Arduino software available for Microsoft® Windows®, Mac OS X, and Linux® (32-bit and AMD-64 bit).
- Arduino Diecimila
- This is the specific model of Arduino hardware used in this tutorial. You may substitute an Arduino Duemilanove. Order one from a reputable online dealer. Check the Resources for links.
- USB A-B cable
- This is like the one you probably have attached to a printer.
- Basic 5mm red Light-Emitting Diode (LED)
- You might have one already, or you can find one at Radio Shack or an online dealer.
- Flashlight
- The brighter the better.
- Arudino software
- See the Resources to download Arduino software.
- Installation and setup guides for Arduino
- See Resources to download the Arduino installation guide.
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