Arduino按鍵實驗程序

ID:456185 · 發表于 2018-12-27 10:29

按鍵實驗：按一下亮第一個燈，按第二下亮第二個燈，按第三下，兩個燈交替亮滅，按第四下，全滅。
const byte LED = 13;
const byte LED1 = 12;
const byte SW = 11;

int count = 0;
int bstate = 0;
int lstate = 0;

void setup() {
  // put your setup code here, to run once:
pinMode(LED,OUTPUT);
pinMode(LED1,OUTPUT);
pinMode(SW,INPUT);
Serial.begin(9600);
}

void loop() {
  // put your main code here, to run repeatedly:
//boolean val = digitalRead(SW);
bstate = digitalRead(SW);

if(bstate != lstate)
{
  if (bstate == HIGH)
  {
count++;
  }
  delay(50);
}
lstate = bstate;

if (count%4 == 1)
{
  digitalWrite(LED,HIGH);
  digitalWrite(LED1,LOW);
}
if (count%4 == 2)
{
  digitalWrite(LED1,HIGH);
  digitalWrite(LED,LOW);
}
if (count%4 == 3)
{
  digitalWrite(LED,HIGH);
  digitalWrite(LED1,LOW);
  delay(100);
  digitalWrite(LED1,HIGH);
  digitalWrite(LED,LOW);
  delay(100);
}
if (count%4 == 0 && count!=0)
{
  digitalWrite(LED1,LOW);
  digitalWrite(LED,LOW);
}

//if(val){
//  count++;
//  if(count%2==0){
// digitalWrite(LED,HIGH);
//  }
//  if(count%2==1){
// digitalWrite(LED,LOW);
//  }
//  //Serial.println(val);
//}
//else
//{
//  digitalWrite(LED,LOW);
//  Serial.println('/0x0c');
//}
}

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Arduino按鍵實驗程序