欧美极品高清xxxxhd,国产日产欧美最新,无码AV国产东京热AV无码,国产精品人与动性XXX,国产传媒亚洲综合一区二区,四库影院永久国产精品,毛片免费免费高清视频,福利所导航夜趣136

標題: 宿舍超聲波感應臺燈基于arduino、超聲波模塊，藍牙模塊，繼電器模塊 [打印本頁]

作者: 周成瑞 時間: 2020-10-26 19:56
標題: 宿舍超聲波感應臺燈基于arduino、超聲波模塊，藍牙模塊，繼電器模塊
const int Trigpin=2;
const int Echpin=3;
float cm;
char i;
void setup() {
  // put your setup code here, to run once:
  pinMode(Trigpin,OUTPUT);
  pinMode(Echpin,INPUT);
  pinMode(10,OUTPUT);
  pinMode(8,OUTPUT);
  pinMode(9,OUTPUT);
  digitalWrite(10,HIGH);
  digitalWrite(8,HIGH);
  digitalWrite(9,HIGH);
  Serial.begin(9600);
}
int cmm()
{
  digitalWrite(Trigpin, LOW);
  delayMicroseconds(2);
  digitalWrite(Trigpin, HIGH);
  delayMicroseconds(10);
  digitalWrite(Trigpin, LOW);

  cm = pulseIn(Echpin, HIGH) / 58.8235; //
//cm = (int(cm * 100.0)) / 100.0; //
  return cm;
}
void openlight()
{
  digitalWrite(10,LOW);
  digitalWrite(8,LOW);
}
void closelight()
{
  digitalWrite(10,HIGH);
  digitalWrite(8,HIGH);
}
void loop() {
  // put your main code here, to run repeatedly:
  if(Serial.available())
  {
  char i=Serial.read();
  while(i=='a')
  {
openlight();
if(Serial.available())
{
   char j=Serial.read();
if(j=='b') {
   digitalWrite(8,HIGH);
   digitalWrite(10,HIGH);
   break;}
}
  }
  while(i=='b')
  {
closelight();
  if(Serial.available())
  {char j=Serial.read();
  if(j!='b') {
digitalWrite(8,HIGH);
digitalWrite(10,HIGH);
break;}
  }
  }
  }
  else{
  int a=cmm();
  if(a>0&&a<=110)
  {delay(500);
int b =cmm();
  if(b>0&&b<=110){
delay(15000); }

歡迎光臨 (http://www.raoushi.com/bbs/)