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작성자 master 작성일18-06-11 22:13 조회10,051회 댓글0건본문
// MCU BASIC: https://www.basic4mcu.com
// DateTime : 2018-06-11 오후 10:16:53
// by Ok-Hyun Park
//
#include <SoftwareSerial.h>
SoftwareSerial myserial(2,3);
int trigPin=13;
int echoPin=12;
int led=11;
//
int a,distance;
//
void setup(){
pinMode(trigPin,OUTPUT); pinMode(echoPin,INPUT);
Serial.begin(9600);
myserial.begin(9600);
}
//
void loop(){
digitalWrite(trigPin,HIGH); delayMicroseconds(10); digitalWrite(trigPin,LOW);
distance=pulseIn(echoPin,HIGH)/58;
Serial.print("Distance(cm)="); Serial.println(distance);
//
if(distance>80){ analogWrite(led, 0); }
else { analogWrite(led,255); }
//
if(myserial.available()){
a=myserial.read();
if(a=='a'){ analogWrite(led,255); }
if(a=='b'){ analogWrite(led, 0); }
if(a=='c'){ analogWrite(led,125); }
}
//
delay(250);
}
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