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81 lines
5.5 KiB
HTML
81 lines
5.5 KiB
HTML
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<div class="title"><a href="http://www.arduino.cc"/>Arduino</a></div>
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<p><a class='wikilink' href='http://arduino.cc/en/Main/Buy'>Buy</a>
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<h2><span class='wikiword'>ArduinoBT</span></h2>
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<p>The Arduino BT is an Arduino board with built-in bluetooth module, allowing for wireless communication. To get started with the Arduino BT, follow the directions for the Arduino NG on your operating system (<a class='wikilink' href='Guide_Windows.html'>Windows</a>, <a class='wikilink' href='Guide_MacOSX.html'>Mac OS X</a>, <a class='urllink' href='http://www.arduino.cc/playground/Learning/Linux' rel='nofollow'>Linux</a>), with the following modifications:
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</p>
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<p class='vspace'></p><ul><li>First, pair the Arduino BT with your computer and create a virtual serial port for it. Look for a bluetooth device called <strong>ARDUINOBT</strong> and the pass code is <strong>12345</strong>.
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<p class='vspace'></p></li><li>Select <strong>Arduino BT</strong> from the <strong>Tools | Board</strong> menu of the Arduino environment.
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</li></ul><p class='vspace'></p><h3>Information about the Arduino BT</h3>
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<p>In most respects, the Arduino BT is similar to the Arduino Diecimila. Here are the main differences of BT board (besides the fact that it communicates over bluetooth instead of USB):
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</p>
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<p class='vspace'></p><ul><li>The Arduino BT is more fragile and easy to break than a regular Arduino board.
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<p class='vspace'></p></li><li><strong>Don't power the board with more than 5.5 volts to the or reverse the polarity (power and ground pins) of your power supply, or you might kill the <span class='wikiword'>ATmega168</span> on the Arduino BT.</strong> The Arduino BT can, however, run with a minimum of 1.2 volts, making it easier to power with batteries.
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<p class='vspace'></p></li><li>The microcontroller (an <span class='wikiword'>ATmega168</span>) on the Arduino BT is a physically smaller version of the chip on the USB Arduino boards. You can't remove it, so if you kill it, you need a new Arduino BT.
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<p class='vspace'></p></li><li>There are two extra analog inputs on the Arduino BT (8 total). Two of these, however, are not connected to the pin headers on the board; you'll need to solder something to the pads next to the numbers "6" and "7".
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<p class='vspace'></p></li><li>Pin 7 is connected to the reset pin of the bluetooth module; <strong>don't use it for anything</strong> (except resetting the module).
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</li></ul><p class='vspace'></p><p>For more details, see the <a class='wikilink' href='http://arduino.cc/en/Main/ArduinoBoardBluetooth'>Arduino BT hardware page</a>.
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</p>
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<p class='vspace'></p><h3>Using the Arduino BT</h3>
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<p>The on-board serial communication between the bluetooth module and the Arduino sketch (running on the <span class='wikiword'>ATmega168</span>) needs to be at 115200 baud (i.e. call Serial.begin(115200) in your setup() function). Communication between the bluetooth module and the computer can be at any baud rate.
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</p>
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<p class='vspace'></p><p>Communication between the BT module and the computer can be temperamental. You might want to open the serial monitor a couple of seconds after resetting the board.
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The text of the Arduino getting started guide is licensed under a
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<a class='urllink' href='http://creativecommons.org/licenses/by-sa/3.0/' rel='nofollow'>Creative Commons Attribution-ShareAlike 3.0 License</a>. Code samples in the guide are released into the public domain.
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