int ledpin = 9;
void setup() {
pinMode(ledpin, OUTPUT);
}
void loop() {
for (int i = 0; i <= 255; i++) { analogWrite(ledpin, i); delay(10); }
for (int i = 255; i >= 0; i--) { analogWrite(ledpin, i); delay(10); }
}int ledpin = 9;
void setup() {
pinMode(ledpin, OUTPUT);
}
void loop() {
for (int i = 0; i <= 255; i++) { analogWrite(ledpin, i); delay(10); }
for (int i = 255; i >= 0; i--) { analogWrite(ledpin, i); delay(10); }
}