   digitalWrite(PUMP_B_PIN, HIGH);
   digitalWrite(PUMP_A_PIN, LOW);
   //analogWrite(PUMP_PWM_PIN, 255-PWM_FAST); // PWM speed = fast
-  delay(watering_level*2000);
+  delay(pow(1.8, watering_level)*1000);
   digitalWrite(PUMP_A_PIN, HIGH);
   digitalWrite(PUMP_B_PIN, HIGH);
 }

#define WHITE           0xFFFF

#define VALUE_COUNT 24
#define WATERING_TRESHHOLD 200

TFTLCD tft(LCD_CS, LCD_CD, LCD_WR, LCD_RD, LCD_RESET); //TFT chip 7783
TouchScreen ts = TouchScreen(XP, YP, XM, YM, 300);

      if (update_counter > 100000) {
        update_counter = 0;
      }
      delay(20);
    }
  }
}
