/*
   ATtiny44/84 I2C pins:
   ATtiny Pin 5 = SDA --> PB0
   ATtiny Pin 7 = SCK --> PB2
*/

// Water Level Sensor ATTiny44A

#include <TinyWireM.h>
#include <LiquidCrystal_attiny.h>

uint8_t  count   =   0;
#define  ADDR    0x3F

LiquidCrystal_I2C lcd(ADDR, 16, 2);

int sensorPin = 1;   // Signal of sensor level --> pin 1 (RX, FTDI)
int ledPin =  3;     // The number of the LED pin 3
int estadoSensor=0;

void setup() {
  lcd.init();
  lcd.backlight();    //Turn on the backlight
  lcd.setCursor(0, 0);             // Go to column 0, row 0
  lcd.show("Water Level Sensor");
  pinMode(ledPin, OUTPUT);      
  pinMode(sensorPin, INPUT);
  delay(50);
}

void loop() {
  estadoSensor = digitalRead(sensorPin);
  lcd.setCursor (0, 1);
  if (estadoSensor == HIGH) {     
    digitalWrite(ledPin, HIGH);  
    lcd.show("With water   ");
  } 
  else {
    digitalWrite(ledPin, LOW); 
    lcd.show("Without water");
  }
  delay(10);
}