arduino-0017-linux-x64
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arduino-0017-linux-x64/reference/Serial_Println.html
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arduino-0017-linux-x64/reference/Serial_Println.html
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html>
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<head>
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<title>Arduino - Println </title>
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<link rel='stylesheet' href='arduino.css' type='text/css' />
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</head>
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<body>
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<div id="page">
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<div id="pageheader">
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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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<p class='vspace'></p>
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<a class="urllink" href="http://www.arduino.cc/blog/" rel="nofollow">Blog »</a> |
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<div id="pagetext">
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<div id='wikitext'>
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<h2>Serial.println(data)</h2>
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<h4>Description</h4>
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<p>Prints a data to the serial port, followed by a carriage return character(ASCII 13, or '\r') and a newline character (ASCII 10, or '\n'). This command takes the same forms as <a class='wikilink' href='Serial_Print.html'>Serial.print</a>():
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</p>
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<p class='vspace'></p><p><strong>Serial.println(b)</strong>
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prints b as a decimal number in an ASCII string followed by a carriage return and a linefeed.
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</p>
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<p class='vspace'></p><p><strong>Serial.println(b, DEC)</strong>
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prints b as a decimal number in an ASCII string followed by a carriage return and a linefeed.
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</p>
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<p class='vspace'></p><p><strong>Serial.println(b, HEX)</strong>
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prints b as a hexadecimal number in an ASCII string followed by a carriage return and a linefeed.
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</p>
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<p class='vspace'></p><p><strong>Serial.println(b, OCT)</strong>
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prints b as an octal number in an ASCII string followed by a carriage return and a linefeed.
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</p>
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<p class='vspace'></p><p><strong>Serial.println(b, BIN)</strong>
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prints b as a binary number in an ASCII string followed by a carriage return and a linefeed.
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</p>
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<p class='vspace'></p><p><strong>Serial.print(b, BYTE)</strong>
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prints b as a single byte followed by a carriage return and a linefeed.
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</p>
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<p class='vspace'></p><p><strong>Serial.println(str)</strong>
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if str is a string or an array of chars, prints str an ASCII string.
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</p>
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<p class='vspace'></p><p><strong>Serial.println()</strong>
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just prints a carriage return and a linefeed.
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</p>
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<p class='vspace'></p><h4>Parameter</h4>
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<p>data types: integer types, including char, strings (char arrays) & floats<br />Printing of floats is supported with a precision of two places to the right of the decimal point.<br />This may change soon.
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</p>
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<p class='vspace'></p><h4>Returns</h4>
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<p>None
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</p>
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<p class='vspace'></p><h4>Example:</h4>
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<pre>
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/*
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Analog input
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reads an analog input on analog in 0, prints the value out.
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created 24 March 2006
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by Tom Igoe
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*/
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int analogValue = 0; // variable to hold the analog value
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void setup() {
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// open the serial port at 9600 bps:
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Serial.begin(9600);
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}
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void loop() {
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// read the analog input on pin 0:
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analogValue = analogRead(0);
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// print it out in many formats:
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Serial.println(analogValue); // print as an ASCII-encoded decimal
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Serial.println(analogValue, DEC); // print as an ASCII-encoded decimal
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Serial.println(analogValue, HEX); // print as an ASCII-encoded hexadecimal
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Serial.println(analogValue, OCT); // print as an ASCII-encoded octal
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Serial.println(analogValue, BIN); // print as an ASCII-encoded binary
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Serial.println(analogValue, BYTE); // print as a raw byte value
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// delay 10 milliseconds before the next reading:
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delay(10);
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}
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</pre>
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<p class='vspace'></p><h4>Programming Tip / Known Issues</h4>
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<p>see <a class='wikilink' href='Serial_Print.html'>Serial.print</a>
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</p>
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<p class='vspace'></p><h4>See also</h4>
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<ul><li><a class='wikilink' href='ASCIIchart.html'>ASCII chart</a>
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</li><li><a class='wikilink' href='Serial_Begin.html'>Serial.begin</a>(speed)
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</li><li><a class='wikilink' href='Serial_Available.html'>Serial.available</a>()
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</li><li><a class='wikilink' href='Serial_Read.html'>Serial.read</a>()
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</li><li><a class='wikilink' href='Serial_Print.html'>Serial.print</a>(data)
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</li></ul><p class='vspace'></p><p><a class='wikilink' href='index.html'>Reference Home</a>
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</p>
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