Page 248 - MDP2022-3

lcd.print("humi = ");
lcd.print(h);
lcd.print("%");
delay(1000);

if(h > 60){
digitalWrite(11,HIGH);
}
if(h < 50){

digitalWrite(11,LOW);
}
}

# 인체감지센서
#define TRIG 9 //TRIG 핀 설정 (초음파 보내는 핀)

#define ECHO 8 //ECHO 핀 설정 (초음파 받는 핀)

#define LED 13

#define BOOZER 12

void setup() {
Serial.begin(9600);

pinMode(TRIG, OUTPUT);

pinMode(ECHO, INPUT);

pinMode(LED, OUTPUT);

pinMode(BOOZER, OUTPUT);
}

void loop()

{

long duration, distance;

digitalWrite(TRIG, LOW);