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197 lines
7.5 KiB
HTML
197 lines
7.5 KiB
HTML
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<p><a class='wikilink' href='Serial.html'>Serial</a>
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<p class='vspace'></p><h2>println()</h2>
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<h4>Description</h4>
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<p>Prints data to the serial port as human-readable ASCII text 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><h4>Syntax</h4>
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<p>Serial.println(val) <br />Serial.println(val, format)
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</p>
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<p class='vspace'></p><h4>Parameters</h4>
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<p>val: the value to print - any data type
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</p>
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<p class='vspace'></p><p>format: specifies the number base (for integral data types) or number of decimal places (for floating point types)
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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>See also</h4>
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<ul><li><a class='wikilink' href='Serial_Print.html'>Serial.print</a>()
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</li></ul><p class='vspace'></p><p><a class='wikilink' href='index.html'>Reference Home</a>
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