printf("ho_tari\n");

2025.05.28 초음파센서 동작#include #include #define TRIG 27#define ECHO 28void setup() { wiringPiSetup(); pinMode(TRIG, OUTPUT); pinMode(ECHO, INPUT); digitalWrite(TRIG, LOW); delay(30); // 센서 안정화 대기}double getDistance() { // Trigger pulse digitalWrite(TRIG, HIGH); delayMicroseconds(10); digitalWrite(TRIG, LOW); // Echo 신호가 HIGH가 될 때까지 대기 while (digitalRead(ECHO) == LO..