sparkfun ProtoShield Quick Start Manual page 8

int ledPin = 13;
int buttonPin = 2;
int buttonState = LOW;
int oldButtonState = HIGH;
char serInput;
void setup()
{
pinMode(ledPin, OUTPUT);
pinMode(buttonPin, INPUT);
digitalWrite(ledPin, HIGH);
Serial.begin(115200);
}
void loop()
{
buttonState = digitalRead(buttonPin);
if (Serial.available() > 0)
{
serInput = Serial.read();
Serial.println("Miny, Moe.");
}
if (buttonState != oldButtonState)
{
if (buttonState == HIGH)
{
digitalWrite(ledPin, HIGH);
Serial.print("Meeny, ");
}
else
{
digitalWrite(ledPin, LOW);
Serial.print("Eeny, ");
}
}
oldButtonState = buttonState;
}
This example will actually work with both the standard USB serial connection, or a
BlueSMiRF. Give it a try! Note that the baud rate is set to 115200 bps, this is the
default baud rate of the BlueSMiRF. Pressing the button will turn the LED off and