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1. 아두이노 프로그래밍 1

p51_arduino1.ino
#define TRIG_PIN 9
#define ECHO_PIN 8

void setup() {
    pinMode(TRIG_PIN, OUTPUT);
    pinMode(ECHO_PIN, INPUT);
}

void loop() {
    digitalWrite(TRIG_PIN, HIGH);
    delayMicroseconds(10);
    digitalWrite(TRIG_PIN, LOW);
    long dist = pulseIn(ECHO_PIN, HIGH) / 58;

    print(dist);   // cm 단위
    delay(200);
}

Project 0501