#include <LiquidCrystal_I2C.h>
#include <Wire.h>
int sensorValue=0;
int umidita=0;
LiquidCrystal_I2C lcd(0x27, 2, 1, 0, 4, 5, 6, 7, 3, POSITIVE);
void setup(){
Serial.begin(9600);
lcd.begin(20,4);
lcd.clear();
lcd.setCursor(0,0);
lcd.print("umidita terreno:");
}
void loop(){
sensorValue = analogRead(0);
umidita = map (sensorValue, 100, 970, 100, 0);
lcd.setCursor(0,1);
lcd.println(umidita);
delay(100);
}