Beginner: Try to use Sparkfun Pro Micro as a keyboard

hi guys,

today first sparkfun pro micro , i' starting use keyboard. first uploaded sketch:

code: [select]

int buttonpin = 9;  // set button pin

void setup()
{
  pinmode(buttonpin, input);  // set button input
  digitalwrite(buttonpin, high);  // pull button high
}

void loop()
{
  if (digitalread(buttonpin) == 0)  // if button goes low
  {
    keyboard.write('z');  // send 'z' computer via keyboard hid
    delay(1000);  // delay there aren't kajillion z's
  }
}

the upload works fine, , opened text editor. if close pin 9 , ground nothing happens. have no idea, fault.

now works. programmed board pro micro protokoll 3,3v version. have 5v version

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