gistfile1.txt

#include <LiquidCrystal_I2C.h>

#include <dht.h>

//#define SERIALPRINT 1

#define DHT_ANALOG_PIN A0
#define SOIL_MOISTURE_ANALOG_PIN A1
#define RAINDROP_ANALOG_PIN A2

LiquidCrystal_I2C lcd(0x27, 2, 1, 0, 4, 5, 6, 7, 3, POSITIVE);
dht DHT;

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

  lcd.begin(16, 2);
  lcd.clear();
//  lcd.print("Hello, world!");
  
  pinMode(LED_BUILTIN, OUTPUT);
}

void loop() {
  digitalWrite(LED_BUILTIN, HIGH);
  delay(100);
  digitalWrite(LED_BUILTIN, LOW);
  delay(100);
  digitalWrite(LED_BUILTIN, HIGH);
  delay(100);
  digitalWrite(LED_BUILTIN, LOW);
  delay(2000);

#ifdef SERIALPRINT
  Serial.println("Soil");
  Serial.println(1023 - analogRead(SOIL_MOISTURE_ANALOG_PIN));
#endif
  
#ifdef SERIALPRINT
  Serial.println("Raindrop");
#endif
  char* isRain = (analogRead(RAINDROP_ANALOG_PIN) < 500)? "It's raining" : "Not raining";
#ifdef SERIALPRINT
  Serial.print(isRain);
  Serial.print(" - ");
  Serial.println(analogRead(RAINDROP_ANALOG_PIN));
#endif

  int soilMoisture = 1023 - analogRead(SOIL_MOISTURE_ANALOG_PIN);
  
  lcd.print(String("Soil ") + soilMoisture + " " + isRain);
  
  DHT.read11(DHT_ANALOG_PIN);

  // Ok wtf AVR device can't use printf for floating point 
  String line2;
  line2 += DHT.temperature;
  line2 += " C  ";
  line2 += DHT.humidity;
  line2 += " %";

  lcd.setCursor(0, 1);
#ifdef SERIALPRINT
  Serial.println(line2);
#endif
  lcd.print(line2);
}