Sensor Reader Code Review

#include <LCD5110_Basic.h>


LCD5110 LCDScreen(8,9,10,11,12);

extern uint8_t logoHipo1[] ; // for picture 1
extern uint8_t logoHipo2[] ; // for picture  2
extern uint8_t MediumNumbers[];
extern uint8_t SmallFont[];

int motionDetectorPin = 4;
int motionDetectorValue = 0;

int humiditySensorPin = A0;
int humiditySensorValue;

void setup() {
  pinMode(7,OUTPUT);
  digitalWrite(7,HIGH);

  pinMode (motionDetectorPin, INPUT);

  LCDScreen.InitLCD(); // start screen
  LCDScreen.setContrast(70);

  Serial.begin(9600);
}

void loop() {
  LCDScreen.clrScr(); // clear screen

  motionDetectorValue = digitalRead(motionDetectorPin); // read motion sensor

  if(motionDetectorValue == HIGH) {   // if there is a motion 
    LCDScreen.drawBitmap(0, 0, logoHipo1, 84, 48); // show picture 1

    delay(1000);
    
    for (int i = 0; i < 1; i++) {
      LCDScreen.invert(true);
      delay(500);
      LCDScreen.invert(false);
      delay(500);
    }

    delay(1000);

    LCDScreen.clrScr(); 

    humiditySensorValue = analogRead(humiditySensorPin); // read result of humidity sensor 

    LCDScreen.setFont(SmallFont);
    LCDScreen.print("Humidity :", LEFT, 0); // printf on the screen
    LCDScreen.setFont(MediumNumbers);
    LCDScreen.printNumF(humiditySensorValue, 0, CENTER, 16);

    delay(1000);

    LCDScreen.clrScr();

    if(humiditySensorValue > 800 && humiditySensorValue <  1024) { // determine three different station 
      LCDScreen.setFont(SmallFont);
      LCDScreen.print("Need Water! ", CENTER , 20);
    } else if(humiditySensorValue > 300 && humiditySensorValue < 799) {
      LCDScreen.setFont(SmallFont);
      LCDScreen.print("normal ", CENTER , 20);
    } else {
      LCDScreen.setFont(SmallFont);
      LCDScreen.print("Too Humid! " , LEFT, 0);
      LCDScreen.print("Please don't ", LEFT, 16);
      LCDScreen.print("put more water", LEFT , 32);
    } 

    delay(4000);

    LCDScreen.clrScr();
    LCDScreen.drawBitmap(0, 0, logoHipo2, 84, 48); // show picture 2

    delay(1000);
    
    for (int i = 0; i < 1; i++) {
      LCDScreen.invert(true);
      delay(500);
      LCDScreen.invert(false);
      delay(500);
    }

    delay(1000);
  }
}