program
const int lowestPin = 2;
const int highestPin = 9;
void setup()
{
for (int thisPin = lowestPin; thisPin <= highestPin; thisPin++)
{
pinMode(thisPin, OUTPUT);
}
}
void loop()
{
for (int thisPin = lowestPin; thisPin <= highestPin; thisPin++)
{
digitalWrite(thisPin, HIGH);
delay(100);
}
for (int thisPin = highestPin; thisPin >= lowestPin; thisPin--)
{
digitalWrite(thisPin, LOW);
delay(100);
}
for (int thisPin = highestPin; thisPin >= lowestPin; thisPin--)
{
digitalWrite(thisPin, HIGH);
delay(100);
}
for (int thisPin = lowestPin; thisPin <= highestPin; thisPin++)
{
digitalWrite(thisPin, LOW);
delay(100);
}
}
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