Sophie: arduino-doc-1:1.0.5-10.mga5 noarch

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    <div class="title"><a href='http://arduino.cc/en'>Arduino</a></div>
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<p><a class='wikilink' href='Serial.html'>Serial</a>
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<p class='vspace'></p><h2>begin()</h2>
<h4>Description</h4>
<p>Sets the data rate in bits per second (baud) for serial data transmission.  For communicating with the computer, use one of these rates: 300, 1200, 2400, 4800, 9600, 14400, 19200, 28800, 38400, 57600, or 115200.  You can, however, specify other rates - for example, to communicate over pins 0 and 1 with a component that requires a particular baud rate.
</p>
<p class='vspace'></p><h4>Syntax</h4>
<p>Serial.begin(speed)
</p>
<p class='vspace'></p><p><em>Arduino Mega only:</em> <br />Serial1.begin(speed) <br />Serial2.begin(speed) <br />Serial3.begin(speed)
</p>
<p class='vspace'></p><h4>Parameters</h4>
<p>speed: in bits per second (baud) - <em>long</em>
</p>
<p class='vspace'></p><h4>Returns</h4>
<p>nothing
</p>
<p class='vspace'></p><h3>Example:</h3>
<p>
<div class='sourceblock ' id='sourceblock1'>
  <div class='sourceblocktext'><div class="arduino"><span class="kw1">void</span> <span class="kw3">setup</span><span class="br0">&#40;</span><span class="br0">&#41;</span> <span class="br0">&#123;</span><br />
&nbsp; &nbsp; <span class="kw1">Serial</span>.<span class="kw1">begin</span><span class="br0">&#40;</span><span class="nu0">9600</span><span class="br0">&#41;</span><span class="sy0">;</span> <span class="co1">// opens serial port, sets data rate to 9600 bps</span><br />
<span class="br0">&#125;</span><br />
<br />
<span class="kw1">void</span> <span class="kw3">loop</span><span class="br0">&#40;</span><span class="br0">&#41;</span> <span class="br0">&#123;</span><span class="br0">&#125;</span></div></div>
  <div class='sourceblocklink'><a href='Serial_Begin?action=sourceblock&amp;num=1.html' type='text/plain'>[Get Code]</a></div>
</div>

</p>
<p class='vspace'></p><p><strong>Arduino Mega example:</strong>
</p>
<p class='vspace'></p><p>
<div class='sourceblock ' id='sourceblock2'>
  <div class='sourceblocktext'><div class="arduino"><span class="co1">// Arduino Mega using all four of its Serial ports </span><br />
<span class="co1">// (Serial, Serial1, Serial2, Serial3), </span><br />
<span class="co1">// with different baud rates:</span><br />
<br />
<span class="kw1">void</span> <span class="kw3">setup</span><span class="br0">&#40;</span><span class="br0">&#41;</span><span class="br0">&#123;</span><br />
&nbsp; <span class="kw1">Serial</span>.<span class="kw1">begin</span><span class="br0">&#40;</span><span class="nu0">9600</span><span class="br0">&#41;</span><span class="sy0">;</span><br />
&nbsp; <span class="kw1">Serial1</span>.<span class="kw1">begin</span><span class="br0">&#40;</span><span class="nu0">38400</span><span class="br0">&#41;</span><span class="sy0">;</span><br />
&nbsp; <span class="kw1">Serial2</span>.<span class="kw1">begin</span><span class="br0">&#40;</span><span class="nu0">19200</span><span class="br0">&#41;</span><span class="sy0">;</span><br />
&nbsp; <span class="kw1">Serial3</span>.<span class="kw1">begin</span><span class="br0">&#40;</span><span class="nu0">4800</span><span class="br0">&#41;</span><span class="sy0">;</span><br />
<br />
&nbsp; <span class="kw1">Serial</span>.<span class="kw1">println</span><span class="br0">&#40;</span><span class="st0">&quot;Hello Computer&quot;</span><span class="br0">&#41;</span><span class="sy0">;</span><br />
&nbsp; <span class="kw1">Serial1</span>.<span class="kw1">println</span><span class="br0">&#40;</span><span class="st0">&quot;Hello Serial 1&quot;</span><span class="br0">&#41;</span><span class="sy0">;</span><br />
&nbsp; <span class="kw1">Serial2</span>.<span class="kw1">println</span><span class="br0">&#40;</span><span class="st0">&quot;Hello Serial 2&quot;</span><span class="br0">&#41;</span><span class="sy0">;</span><br />
&nbsp; <span class="kw1">Serial3</span>.<span class="kw1">println</span><span class="br0">&#40;</span><span class="st0">&quot;Hello Serial 3&quot;</span><span class="br0">&#41;</span><span class="sy0">;</span><br />
<span class="br0">&#125;</span><br />
<br />
<span class="kw1">void</span> <span class="kw3">loop</span><span class="br0">&#40;</span><span class="br0">&#41;</span> <span class="br0">&#123;</span><span class="br0">&#125;</span></div></div>
  <div class='sourceblocklink'><a href='Serial_Begin?action=sourceblock&amp;num=2.html' type='text/plain'>[Get Code]</a></div>
</div>

</p>
<p class='vspace'></p><p><em>Thanks to Jeff Gray for the mega example</em>
</p>
<p class='vspace'></p><h4>See also</h4>
<ul><li><a class='selflink' href='Serial_Begin.html'>begin</a>()
</li><li><a class='wikilink' href='Serial_End.html'>end</a>()
</li><li><a class='wikilink' href='Serial_Available.html'>available</a>()
</li><li><a class='wikilink' href='Serial_Read.html'>read</a>()
</li><li><a class='wikilink' href='Serial_Peek.html'>peek</a>()
</li><li><a class='wikilink' href='Serial_ParseInt.html'>parseInt</a>()
</li><li><a class='wikilink' href='Serial_Flush.html'>flush</a>()
</li><li><a class='wikilink' href='Serial_Print.html'>print</a>()
</li><li><a class='wikilink' href='Serial_Println.html'>println</a>()
</li><li><a class='wikilink' href='Serial_Write.html'>write</a>()
</li><li><a class='wikilink' href='SerialEvent.html'>SerialEvent</a>()<br />
</li></ul><p class='vspace'></p><p><a class='wikilink' href='index.html'>Reference Home</a>
</p>
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