void setup() {
Serial.begin(9600);
pinMode(?, INPUT);
pinMode(?, OUTPUT);
}
void loop() {
int value = analogRead(?);
Serial.print("value : ");
Serial.println (value);
int val = map(value, 0, 1023, 0, 255);
Serial.print("map: ");
Serial.println(val);
analogWrite(?,val);
delay(1000);
}