Alilia hreftoc11what do i do if i get an

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Unformatted text preview: run after I updated the Java on my Mac?</a></li><li><a href='#toc4'>Why do I get a java.lang.StackOverflowError when I try to compile my program?</a></li><li><a href='#toc5'>Why doesn't my sketch start when I'm powering the board with an external power supply? (Arduino Diecimila or earlier)</a></li><li><a href='#toc6'>Why does the Arduino software freeze when I try to upload a program? (on Windows)?</a></li><li><a href='#toc7'>What if my board doesn't turn on (the green power LED doesn't light up)?</a></li><li><a href='#toc8'>Why does my Diecimila take such a long time (6-8 seconds) to start my sketch?</a></li><li><a href='#toc9'>What should I do if I get an error when launching arduino.exe on Windows?</a></li><li><a href='#toc10'>Why won't Arduino run on old versions of Mac OS X?</a></li><li><a href='#toc11'>What do I do if I get an UnsatisfiedLinkError error (about native library librxtxSerial.jnilib) when launching Arduino?</a></li><li><a href='#toc12'>What about the error "Could not find the main class."?</a></li><li><a href='#toc13'>What can I do about cygwin conflicts on Windows?</a></li><li><a href='#toc14'>Why does do the Arduino software and the Tools menu take a long time to open (on Windows)?</a></li><li><a href='#toc15'>Why doesn't my board show in the Tools | Serial Port menu ?</a></li><li><a href='#toc16'>What if I get a gnu.io.PortInUseException when uploading code or using the serial monitor (on the Mac)?</a></li><li><a href='#toc17'>I'm having trouble with the FTDI USB drivers.</a></li><li><a href='#toc18'>Why doesn't my sketch start when I power up or reset the Arduino board?</a></li><li><a href='#toc19'>Why does my sketch appear to upload successfully but not do anything?</a></li><li><a href='#toc20'>How can I reduce the size of my sketch?</a></li><li><a href='#toc21'>Why don't I get a PWM (an analog output) when I call analogWrite() on pins other than 3, 5, 6, 9, 10, or 11?</a></li><li><a href='#toc22'>Why do I get errors about undeclared functions or undeclared types?</a></li><li><a href='#toc23'>Why do I get errors about an invalid device signature when trying to upload a sketch?</a></li></ul></div> <p class='vspace'></p><p><a name='upload' id='upload'></a> </p><h3><a name='toc1' id='toc1'></a>Why I can't upload my programs to the Arduino board?</h3> <p>There are a few things that could be wrong. </p> <p class='vspace'></p><ul><li>First make sure your board is on (the green LED is on) and connected to the computer (if it's not, see "what if my board doesn't turn on" above). <p class='vspa...
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