Created
June 24, 2019 07:21
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// 距離センサー、LEDの組み合わせで、プログラミングを学ぶ | |
#define echoPin 19 | |
#define trigPin 18 | |
#define ledPin 10 | |
#define ON LOW | |
#define OFF HIGH | |
double Duration = 0; | |
double Distance = 0; | |
void setup() { | |
Serial.begin(9600); | |
pinMode(ledPin, OUTPUT); | |
pinMode(echoPin,INPUT); | |
pinMode(trigPin,OUTPUT); | |
} | |
void loop() { | |
digitalWrite(trigPin, LOW); | |
delayMicroseconds(2); | |
digitalWrite(trigPin, HIGH); //超音波を出力 | |
delayMicroseconds(10); | |
digitalWrite(trigPin, LOW); | |
Duration = pulseIn(echoPin, HIGH); //センサからの入力 | |
if (Duration > 0) { | |
Duration = Duration/2; //往復距離を半分 | |
Distance = Duration*340*100/1000000; //音速を340m/sに設定 | |
Serial.print("Distance:"); | |
Serial.print(Distance); | |
Serial.println("cm"); | |
} | |
//プログラムはここからかえます// | |
if (Distance < 15 ) { //数字をシリアルモニターを参考にして数字をかえよう | |
digitalWrite(ledPin, ON); | |
delay(100); // 1) 数字をかえてみよう | |
digitalWrite(ledPin, OFF); | |
delay(100); // 1) 数字をかえてみよう | |
digitalWrite(ledPin, ON); | |
delay(100); // 1) 数字をかえてみよう | |
digitalWrite(ledPin, OFF); | |
delay(100); // 1) 数字をかえてみよう | |
} else { | |
digitalWrite(ledPin, OFF); | |
delay(200); | |
} | |
} |
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