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작성자 master 작성일2018-06-19 10:55 조회8,362회 댓글0건
https://www.basic4mcu.com/bbs/board.php?bo_table=gac&wr_id=2007
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// MCU BASIC: https://www.basic4mcu.com// DateTime : 2018-06-19 오전 10:58:38// by Ok-Hyun Park//int trig=8,echo=9;int led1=3,led2=4,led3=5;//void setup(){Serial.begin(9600);pinMode(trig,OUTPUT); pinMode(echo,INPUT);pinMode(led1,OUTPUT); pinMode(led2,OUTPUT); pinMode(led3,OUTPUT);}//void loop(){digitalWrite(trig,HIGH); delayMicroseconds(10); digitalWrite(trig,LOW);float distance=pulseIn(echo,HIGH)*0.0172413793103448;Serial.print(distance); Serial.println("cm");//if(distance< 5){ digitalWrite(led1,HIGH); } else{ digitalWrite(led1,LOW); }if(distance<10){ digitalWrite(led2,HIGH); } else{ digitalWrite(led2,LOW); }if(distance<15){ digitalWrite(led3,HIGH); } else{ digitalWrite(led3,LOW); }//delay(200);}
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