Умный полив
для ваших растений

const int LED = 9;
#include 
#include 
SoftwareSerial SIM800(1, 0);
const int LED_RED = 9;
const int LED_BLUE = 8;
const int LED_GREEN = 7;
#define solPin A0  // порт для подключения датчика
int minsol = 200;  // минимальное значение влажности почвы
int sol;
void setup() {
  Serial.begin(9600);  // Скорость обмена данными с компьютером
  Serial.println("Start!");
  //SIM800.begin(9600);               // Скорость обмена данными с модемом
  //SIM800.println("AT");
  pinMode(solPin, INPUT);
  pinMode(LED_BUILTIN, OUTPUT);
  digitalWrite(LED_BUILTIN, LOW);
  pinMode(LED_RED, OUTPUT);
  //digitalWrite(LED_RED, HIGH);
  pinMode(LED_BLUE, OUTPUT);
  //digitalWrite(LED_BLUE, HIGH);
  pinMode(LED_GREEN, OUTPUT);
  //digitalWrite(LED_GREEN, HIGH);
}

void loop() {
  //if (SIM800.available())           // Ожидаем прихода данных (ответа) от модема...
  //  Serial.write(SIM800.read());    // ...и выводим их в Serial
  // if (Serial.available())           // Ожидаем команды по Serial...
  //SIM800.write(Serial.read());    // ...и отправляем полученную команду модему
  digitalWrite(LED_BUILTIN, LOW);
  digitalWrite(LED_GREEN, LOW);
  digitalWrite(LED_RED, LOW);
  digitalWrite(LED_BLUE, LOW);
  Serial.println("sleep for 8 seconds");

  LowPower.idle(SLEEP_8S, ADC_OFF, TIMER2_OFF, TIMER1_OFF, TIMER0_OFF, SPI_OFF, USART0_OFF, TWI_OFF);
  Serial.println("I Woke up");

  sol = analogRead(solPin);
  Serial.print("sol = ");
  Serial.println(sol);
  int res = getSoilMoisture(sol);
  // Serial.println(res);
  if (res >= 80) {
    digitalWrite(LED_GREEN, HIGH);
    digitalWrite(LED_RED, LOW);
    digitalWrite(LED_BLUE, LOW);
  } else if (res >= 30) {
    digitalWrite(LED_BLUE, HIGH);
    digitalWrite(LED_RED, LOW);
    digitalWrite(LED_GREEN, LOW);
  } else {
    digitalWrite(LED_RED, HIGH);
    digitalWrite(LED_GREEN, LOW);
    digitalWrite(LED_BLUE, LOW);
  }
  if  Serial.println("Sending SMS..."); 
    return res

  /*
  for (int i=100; i<=1000; i=i+100)
{
  digitalWrite(LED_RED, HIGH);
  delay(i);
  digitalWrite(LED_RED, LOW);
  delay(i);
  }
  */
  delay(1000);
}
int getSoilMoisture(int current) {
  if (current <= 400) {
    return 100;
  }
  int minn = 400;
  int maxx = 1023;

  long range = maxx - minn;
  long value = current - minn;
  /**
  Serial.print("Range:");
  Serial.println(range);

  Serial.print("Value:");
  Serial.println(value);

    Serial.print("Value * 100:");
  Serial.println((long)value*100);

  Serial.print("Left:");
  Serial.println((long)value*100 + range/2);
  */
  long res = ((long)(value * 100) + (long)(range / 2)) / range;
  return (res - 100) * -1;
}

}