Weel12，HW10

1、霹靂燈之影片分享

   藉由調可變電阻改變閃爍頻率

影片一、快速閃爍的霹靂燈

影片二、閃爍較慢的霹靂燈

影片三、調整閃爍頻率之霹靂燈

2、

圖一

圖二

3、程式碼


void setup() {
  // declare the ledPin as an OUTPUT:
  pinMode(13, OUTPUT);
  pinMode(12, OUTPUT);
  pinMode(11, OUTPUT);
  pinMode(10, OUTPUT);
  pinMode(9, OUTPUT);
  pinMode(8, OUTPUT);
  pinMode(7, OUTPUT);    
}

void loop() {

  // read the value from the sensor:
  sensorValue = analogRead(sensorPin);  
  // turn the ledPin on
  digitalWrite(13, HIGH);
  delay(sensorValue);
  digitalWrite(12, HIGH);
  delay(sensorValue);
  digitalWrite(11, HIGH);
  delay(sensorValue);
  digitalWrite(10, HIGH);
  delay(sensorValue);
  digitalWrite(9, HIGH);
  delay(sensorValue);
  digitalWrite(8, HIGH);
  delay(sensorValue);
  digitalWrite(7, HIGH);
  delay(sensorValue);
  // stop the program for <sensorValue> milliseconds:
  delay(sensorValue);        
  // turn the ledPin off:      
  digitalWrite(13, LOW);
  delay(sensorValue);
  digitalWrite(12, LOW);
  delay(sensorValue);
  digitalWrite(11, LOW);
  delay(sensorValue);
  digitalWrite(10, LOW);
  delay(sensorValue);
  digitalWrite(9, LOW);
  delay(sensorValue);
  digitalWrite(8, LOW);
  delay(sensorValue);
  digitalWrite(7, LOW);
  delay(sensorValue);
  // stop the program for for <sensorValue> milliseconds:
  delay(sensorValue);
  digitalWrite(13, HIGH);
  digitalWrite(12, HIGH);
  digitalWrite(11, HIGH);
  digitalWrite(10, HIGH);
  digitalWrite(9, HIGH);
  digitalWrite(8, HIGH);
  digitalWrite(7, HIGH);
  delay(sensorValue);
  digitalWrite(13, LOW);
  digitalWrite(12, LOW);
  digitalWrite(11, LOW);
  digitalWrite(10, LOW);
  digitalWrite(9, LOW);
  digitalWrite(8, LOW);
  digitalWrite(7, LOW);
  delay(sensorValue);
  digitalWrite(13, HIGH);
  digitalWrite(12, HIGH);
  digitalWrite(11, HIGH);
  digitalWrite(10, HIGH);
  digitalWrite(9, HIGH);
  digitalWrite(8, HIGH);
  digitalWrite(7, HIGH);
  delay(sensorValue);
  digitalWrite(13, LOW);
  digitalWrite(12, LOW);
  digitalWrite(11, LOW);
  digitalWrite(10, LOW);
  digitalWrite(9, LOW);
  digitalWrite(8, LOW);
  digitalWrite(7, LOW);
  delay(sensorValue);

  digitalWrite(7, HIGH);
  delay(sensorValue);
  digitalWrite(8, HIGH);
  delay(sensorValue);
  digitalWrite(9, HIGH);
  delay(sensorValue);
  digitalWrite(10, HIGH);
  delay(sensorValue);
  digitalWrite(11, HIGH);
  delay(sensorValue);
  digitalWrite(12, HIGH);
  delay(sensorValue);
  digitalWrite(13, HIGH);
  delay(sensorValue);
  // stop the program for <sensorValue> milliseconds:
  delay(sensorValue);        
  // turn the ledPin off:      
  digitalWrite(7, LOW);
  delay(sensorValue);
  digitalWrite(8, LOW);
  delay(sensorValue);
  digitalWrite(9, LOW);
  delay(sensorValue);
  digitalWrite(10, LOW);
  delay(sensorValue);
  digitalWrite(11, LOW);
  delay(sensorValue);
  digitalWrite(12, LOW);
  delay(sensorValue);
  digitalWrite(13, LOW);
  delay(sensorValue);
}

心得：