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: 通過超聲波測距選擇性亮燈arduino程序 [打印本頁]

作者: mingna 時間: 2018-11-3 20:51
標題: 通過超聲波測距選擇性亮燈arduino程序
long duration,inches,cm;
const int trigPin=8;
const int echoPin=7;
int ledr = 5;
int ledb = 4;
int ledg = 2;
long dist=0;
void setup() {
  // put your setup code here, to run once:
  pinMode(ledb, OUTPUT);
  pinMode(ledg, OUTPUT);
  pinMode(ledr, OUTPUT);
  pinMode(trigPin,OUTPUT);
  pinMode(echoPin,INPUT);
  Serial.begin(9600);
}
void loop() {
  // put your main code here, to run repeatedly:
digitalWrite(trigPin,LOW);
delayMicroseconds(2);
digitalWrite(trigPin,HIGH);
delayMicroseconds(5);
digitalWrite(trigPin,LOW);
duration=pulseIn(echoPin,HIGH);
dist=duration/29/2;
cm=dist;
if(dist<=50){
  digitalWrite(ledr,LOW);
  digitalWrite(ledg,HIGH);
  digitalWrite(ledb,HIGH);
  Serial.println(dist);
}
else if(dist<=100){
  digitalWrite(ledb,LOW);
  digitalWrite(ledr,HIGH);
  digitalWrite(ledg,HIGH);
  Serial.println(dist);
}
else{
  digitalWrite(ledg,LOW);
  digitalWrite(ledr,HIGH);
  digitalWrite(ledb,HIGH);
  Serial.println(dist);
}
delay(100);
}

作者: admin 時間: 2018-11-4 02:17
補全原理圖或者詳細說明一下電路連接即可獲得100+黑幣

歡迎光臨 (http://m.raoushi.com/bbs/)