Memanfaatkan Sensor Dht22 Sebagai Pendeteksi Kelembaban Tanah Berbasis Atmega8

Lampiran

Lampiran 1

PROGRAM LENGKAP

#include "DHT.h"

#include <LiquidCrystal.h> #define DHTPIN A5

#define DHTTYPE DHT22 DHT dht(DHTPIN, DHTTYPE); #define buzzer 9

LiquidCrystallcd(8, 6, 5, 4, 3, 2); void setup() {

Serial.begin(9600); dht.begin();

lcd.begin(16,2);

pinMode(buzzer,OUTPUT); }

void loop() {

float h = dht.readHumidity()-30; float t = dht.readTemperature(); float f = dht.readTemperature(true);

if (isnan(h) || isnan(t) || isnan(f)) {return;}

floathif = dht.computeHeatIndex(f, h);

float hic = dht.computeHeatIndex(t, h, false); if (h<40){digitalWrite(buzzer,HIGH); delay(100); digitalWrite(buzzer,LOW); delay(500);}

lcd.setCursor(0,0); lcd.print("RH: "); lcd.print(h);

lcd.print(" %"); lcd.setCursor(0,1); lcd.print("T : "); lcd.print(t);

lcd.print(" ");

lcd.write(B11011111); lcd.print("C");

}

Lampiran 2

RANGKAIAN LENGKAP