// -------------------------------------------------------- LDR Sensor Test --------------------------------------------------------
// #include <Wire.h>
// #include <LiquidCrystal_I2C.h>

// const int ldrPin = A0;
// const int ledPin = 9;
// int ldrValue = 0;
// int brightness = 0;
// const float GAMMA = 0.7;
// const float RL10 = 50;

// LiquidCrystal_I2C lcd(0x27, 16, 2);

// void setup() {
//   pinMode(ledPin, OUTPUT);
//   Serial.begin(9600);
  
//   lcd.init();
//   lcd.backlight();
//   lcd.setCursor(0, 0);
//   lcd.print("Light: ");
// }

// void loop() {
//   ldrValue = analogRead(ldrPin);
//   float voltase = ldrValue / 1024. * 5;
//   float resistensi = 2000 * voltase / (1 - voltase / 5);
//   float brightness = pow(RL10 * 1e3 * pow(10, GAMMA) / resistensi, (1, GAMMA));
  
//   analogWrite(ledPin, brightness);
  
//   if (brightness < 50) {
//     digitalWrite(ledPin, HIGH);
//     lcd.setCursor(0, 1);
//     lcd.print("Kondisi: Mati   ");
//   } else {
//     digitalWrite(ledPin, LOW);
//     lcd.setCursor(0, 1);
//     lcd.print("Kondisi: Hidup  ");
//   }
  
//   lcd.setCursor(7, 0);
//   lcd.print(ldrValue);
  
//   Serial.print(" - Kondisi Cahaya: ");
//   if (brightness < 50){
//     Serial.println("Cahaya Redup");
//   } else {
//     Serial.println("Cahaya Terang");
//   }
  
//   delay(100);
// }

// -------------------------------------------------------- DHT22 Sensor Test --------------------------------------------------------
#include <LiquidCrystal_I2C.h>
#include <DHT.h>
#define DHTPIN 8
#define DHTTYPE DHT22
DHT dht (DHTPIN, DHTTYPE);
LiquidCrystal_I2C lcd(0x27, 16, 2);

void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);
  Serial.println("Sistem Monitoring Suhu");
  lcd.begin(16, 2);
  dht.begin();
}

void loop() {
  // put your main code here, to run repeatedly:
  float t = dht.readTemperature();
  float h = dht.readHumidity();
  delay(1000);

//Menampilkan di LCD
  lcd.setCursor(0,0);
  lcd.println("Suhu=");
  lcd.print(t);
  lcd.println(" C");
  lcd.setCursor(0,1);
  lcd.println("Lembab=");
  lcd.print(h);
  lcd.println(" %");

//Menampilkan di serial monitor
  Serial.println("Suhu = ");
  Serial.print(t);
  Serial.println(" C");
  Serial.println("Kelembaban = ");
  Serial.print(h);
  Serial.println(" %");
}

// -------------------------------------------------------- Tempeature Sensor Test --------------------------------------------------------

// DHT Temperature & Humidity Sensor
// Unified Sensor Library Example
// Written by Tony DiCola for Adafruit Industries
// Released under an MIT license.

// REQUIRES the following Arduino libraries:
// - DHT Sensor Library: https://github.com/adafruit/DHT-sensor-library
// - Adafruit Unified Sensor Lib: https://github.com/adafruit/Adafruit_Sensor

// #include <Adafruit_Sensor.h>
// #include <DHT.h>
// #include <DHT_U.h>

// #define DHTPIN = 2;     // Digital pin connected to the DHT sensor 
// // Feather HUZZAH ESP8266 note: use pins 3, 4, 5, 12, 13 or 14 --
// // Pin 15 can work but DHT must be disconnected during program upload.

// // Uncomment the type of sensor in use:
// //#define DHTTYPE    DHT11     // DHT 11
// #define DHTTYPE DHT22 = A0;    // DHT 22 (AM2302)
// //#define DHTTYPE    DHT21     // DHT 21 (AM2301)

// // See guide for details on sensor wiring and usage:
// //   https://learn.adafruit.com/dht/overview

// DHT_Unified dht(DHTPIN, DHTTYPE);

// uint32_t delayMS;

// void setup() {
//   Serial.begin(9600);
//   // Initialize device.
//   dht.begin();
//   Serial.println(F("DHTxx Unified Sensor Example"));
//   // Print temperature sensor details.
//   sensor_t sensor;
//   dht.temperature().getSensor(&sensor);
//   Serial.println(F("------------------------------------"));
//   Serial.println(F("Temperature Sensor"));
//   Serial.print  (F("Sensor Type: ")); Serial.println(sensor.name);
//   Serial.print  (F("Driver Ver:  ")); Serial.println(sensor.version);
//   Serial.print  (F("Unique ID:   ")); Serial.println(sensor.sensor_id);
//   Serial.print  (F("Max Value:   ")); Serial.print(sensor.max_value); Serial.println(F("°C"));
//   Serial.print  (F("Min Value:   ")); Serial.print(sensor.min_value); Serial.println(F("°C"));
//   Serial.print  (F("Resolution:  ")); Serial.print(sensor.resolution); Serial.println(F("°C"));
//   Serial.println(F("------------------------------------"));
//   // Print humidity sensor details.
//   dht.humidity().getSensor(&sensor);
//   Serial.println(F("Humidity Sensor"));
//   Serial.print  (F("Sensor Type: ")); Serial.println(sensor.name);
//   Serial.print  (F("Driver Ver:  ")); Serial.println(sensor.version);
//   Serial.print  (F("Unique ID:   ")); Serial.println(sensor.sensor_id);
//   Serial.print  (F("Max Value:   ")); Serial.print(sensor.max_value); Serial.println(F("%"));
//   Serial.print  (F("Min Value:   ")); Serial.print(sensor.min_value); Serial.println(F("%"));
//   Serial.print  (F("Resolution:  ")); Serial.print(sensor.resolution); Serial.println(F("%"));
//   Serial.println(F("------------------------------------"));
//   // Set delay between sensor readings based on sensor details.
//   delayMS = sensor.min_delay / 1000;
// }

// void loop() {
//   // Delay between measurements.
//   delay(delayMS);
//   // Get temperature event and print its value.
//   sensors_event_t event;
//   dht.temperature().getEvent(&event);
//   if (isnan(event.temperature)) {
//     Serial.println(F("Error reading temperature!"));
//   }
//   else {
//     Serial.print(F("Temperature: "));
//     Serial.print(event.temperature);
//     Serial.println(F("°C"));
//   }
//   // Get humidity event and print its value.
//   dht.humidity().getEvent(&event);
//   if (isnan(event.relative_humidity)) {
//     Serial.println(F("Error reading humidity!"));
//   }
//   else {
//     Serial.print(F("Humidity: "));
//     Serial.print(event.relative_humidity);
//     Serial.println(F("%"));
//   }
// }