arduino-0022
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arduino-0022-linux-x64/reference/Serial_Peek.html
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arduino-0022-linux-x64/reference/Serial_Peek.html
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<title>Arduino - Peek </title>
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<div id='wikitext'>
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<p><a class='wikilink' href='Serial.html'>Serial</a>
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</p>
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<p class='vspace'></p><h2>peek()</h2>
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<h4>Description</h4>
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<p>Returns the next byte (character) of incoming serial data without removing it from the internal serial buffer. That is, successive calls to peek() will return the same character, as will the next call to read().
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</p>
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<p class='vspace'></p><h4>Syntax</h4>
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<p>Serial.peek()
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</p>
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<p class='vspace'></p><p><em>Arduino Mega only:</em> <br />Serial1.peek() <br />Serial2.peek() <br />Serial3.peek()
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</p>
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<p class='vspace'></p><h3>Parameters</h3>
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<p>None
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</p>
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<p class='vspace'></p><h4>Returns</h4>
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<p>the first byte of incoming serial data available (or -1 if no data is available) - <em>int</em>
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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='Serial_Available.html'>Serial.available</a>()
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</li><li><a class='wikilink' href='Serial_Flush.html'>Serial.flush</a>()
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</li><li><a class='wikilink' href='Serial_Read.html'>Serial.read</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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©Arduino |
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