help to fix the codes bellow to make them properly send a message and display characters correctly and not unreadable characters

#include

#include

$//$ Setup SoftwareSerial pins

SoftwareSerial mySerial$(10,11)$; $//$ Change this to your correct TX and RX pins

$//$ Initialize LCD

LiquidCrystal lcd$(9,8,5,4,3,2)$; $//$ RS$,$ EN$,$ D$4,$ D$5,$ D$6,$ D$7$

$//$ Moisture Sensor Pins

int area$\_$one$\_$moisture$\_$sensor $=$ A$0$;

int area$\_$two$\_$moisture$\_$sensor $=$ A$1$;

int area$\_$three$\_$moisture$\_$sensor $=$ A$2$;

int area$\_$four$\_$moisture$\_$sensor $=$ A$3$;

$//$ Relay Pins

int area$\_$one$\_$relay $=12$;

int area$\_$two$\_$relay $=13$;

int area$\_$three$\_$relay $=14$;

int area$\_$four$\_$relay $=15$;

$//$ LED Pins

int LED$1=6$; $//$ Indicate irrigation is on

int LED$2=7$; $//$ Indicate irrigation is off

$//$ SMS configuration

const char$*$ recipient$\_$number $="+255627410551"$;

bool is$\_$area$\_$one$\_$irrigating $=$ false; $//$ Track irrigation status

bool is$\_$area$\_$two$\_$irrigating $=$ false; $//$ Track irrigation status

bool is$\_$area$\_$three$\_$irrigating $=$ false; $//$ Track irrigation status

bool is$\_$area$\_$four$\_$irrigating $=$ false; $//$ Track irrigation status

void SendSMS$($const char$*$ message$)\{$

mySerial.println$("$AT$+$CMGF$=1")$; $//$ Set SMS mode to TEXT

delay$(200)$; $//$ Increase delay for GSM stability

mySerial.print$("$AT$+$CMGS$=\backslash "")$;

mySerial.print$($recipient$\_$number$)$;

mySerial.println$("\backslash "")$; $//$ Specify recipient

delay$(200)$; $//$ Small delay

mySerial.println$($message$)$; $//$ SMS content

mySerial.write$(26)$; $//$ Send ASCII $26($Ctrl$+$Z$)$ to end message

delay$(200)$; $//$ Wait for GSM to process

$\}$

void setup$()\{$

Serial.begin$(9600)$; $//$ Initialize Serial monitor

mySerial.begin$(9600)$; $//$ Initialize GSM connection

$//$ Setup pin modes

pinMode$($area$\_$one$\_$moisture$\_$sensor$,$ INPUT$)$;

pinMode$($area$\_$two$\_$moisture$\_$sensor$,$ INPUT$)$;

pinMode$($area$\_$three$\_$moisture$\_$sensor$,$ INPUT$)$;

pinMode$($area$\_$four$\_$moisture$\_$sensor$,$ INPUT$)$;

pinMode$($area$\_$one$\_$relay, OUTPUT$)$;

pinMode$($area$\_$two$\_$relay, OUTPUT$)$;

pinMode$($area$\_$three$\_$relay, OUTPUT$)$;

pinMode$($area$\_$four$\_$relay, OUTPUT$)$;

pinMode$($LED$1,$ OUTPUT$)$;

pinMode$($LED$2,$ OUTPUT$)$;

$//$ Initial LCD display

lcd.begin$(16,2)$; $//$ Initialize LCD

lcd.print$("$Precision Irrigation"$)$;

lcd.setCursor$(0,1)$;

lcd.print$("$System$")$;

delay$(2000)$; $//$ Display welcome message for $2$ seconds

$\}$

void displayMoistureLevels$($int m$1,$ int m$2,$ int m$3,$ int m$4)\{$

lcd.clear$()$;

lcd.print$("$A$1$:$")$;

lcd.print$($m$1)$;

lcd.print$("$ A$2$:$")$;

lcd.print$($m$2)$;

lcd.setCursor$(0,1)$;

lcd.print$("$A$3$:$")$;

lcd.print$($m$3)$;

lcd.print$("$ A$4$:$")$;

lcd.print$($m$4)$;

$\}$

void loop$()\{$

$//$ Read moisture sensor values

int area$\_$one$\_$moisture $=$ analogRead$($area$\_$one$\_$moisture$\_$sensor$)$;

int area$\_$two$\_$moisture $=$ analogRead$($area$\_$two$\_$moisture$\_$sensor$)$;

int area$\_$three$\_$moisture $=$ analogRead$($area$\_$three$\_$moisture$\_$sensor$)$;

int area$\_$four$\_$moisture $=$ analogRead$($area$\_$four$\_$moisture$\_$sensor$)$;

$//$ Display moisture levels on LCD

displayMoistureLevels$($area$\_$one$\_$moisture, area$\_$two$\_$moisture, area$\_$three$\_$moisture, area$\_$four$\_$moisture$)$;

$//$ Relay and SMS logic for area one

if $($area$\_$one$\_$moisture $>=400)\{//$ High moisture, start irrigation

digitalWrite$($area$\_$one$\_$relay, LOW$)$; $//$ Relay ON

digitalWrite$($LED$1,$ HIGH$)$; $//$ LED indicating irrigation is on

digitalWrite$($LED$2,$ LOW$)$; $//$ Off LED on

if $(!$is$\_$area$\_$one$\_$irrigating$)\{//$ If not already irrigating

SendSMS$("$Area One is being irrigated."$)$; $//$ Send SMS

is$\_$area$\_$one$\_$irrigating $=$ true; $//$ Set flag

$\}$

$\}$ else $\{//$ Low moisture, stop irrigation

digitalWrite$($area$\_$one$\_$relay, HIGH$)$; $//$ Relay OFF

digitalWrite$($LED$1,$ LOW$)$; $//$ Irrigation LED off

digitalWrite$($LED$2,$ HIGH$)$; $//$ Off LED on

if $($is$\_$area$\_$one$\_$irrigating$)\{//$ If was irrigating, send SMS about stopping

SendSMS$("$Area One has stopped irrigation."$)$; $//$ SMS indicating irrigation stop

is$\_$area$\_$one$\_$irrigating $=$ false; $//$ Reset flag

$\}$

$\}$

delay$(2000)$; $//$ Delay before next loop iteration

$\}$