스마트홈 도어락 응용예제
#include #include #define PIN_DOOR_LOCK 31 // receive event #define PIN_PIR_DETOR 3 #define PIN_DOOR_OPEN 2 #define RBG_R 23 #define RBG_G 35 #define RBG_B 36 #define PIN_DOOR_LOCK 31 LiquidCrystal_I2C lcd(0x27, 16, 2); void printLCD(int col, int row , char *str) { for(int i=0 ; i < strlen(str) ; i++){ lcd.setCursor(col+i , row); lcd.print(str[i]); } } int bell[] = {660,660,660,550,550,550,440,4..