Arduino实验三十四：风扇转速调节实验

主要程序

  //读取模拟量值
  sensorValue=analogRead(P);
  outputValue=map(sensorValue,0,1023,0,255);
  analogWrite(U,outputValue);
  Serial.print("sensor=");
  Serial.print(sensorValue);
  Serial.print("\t output=");
  Serial.println(outputValue);
  
  delay(2);