Coding Led Matrix Dan Sensor Ky_037

// Including the required Arduino libraries
#include <MD_Parola.h>
#include <MD_MAX72xx.h>
#include <SPI.h>

// Uncomment according to your hardware type
#define HARDWARE_TYPE MD_MAX72XX::FC16_HW
//#define HARDWARE_TYPE MD_MAX72XX::GENERIC_HW

// Defining size, and output pins
#define MAX_DEVICES 4
#define CS_PIN 3
#define CLK_PIN 13
#define DATA_PIN 11

// Create a new instance of the MD_Parola class with hardware SPI connection
MD_Parola myDisplay = MD_Parola(HARDWARE_TYPE, CS_PIN, MAX_DEVICES);

int sensor = A0; 
int LEDgreen = 7; 
int LEDyellow = 6;
int LEDred = 5;
int nilaiSensor; 

void setup() {
 // Intialize the object
 myDisplay.begin();

 // Set the intensity (brightness) of the display (0-15)
 myDisplay.setIntensity(0);

 // Clear the display
 myDisplay.displayClear();

  Serial.begin(9600);
 pinMode(sensor, INPUT);
 pinMode(LEDgreen, OUTPUT);
 pinMode(LEDyellow, OUTPUT);
 pinMode(LEDred, OUTPUT);
 
 // put your setup code here, to run once:

}

void loop() {
 int nilaiSensor = analogRead(sensor);
 Serial.print("sensor = ");
 Serial.println(nilaiSensor);

 if(nilaiSensor > 25){
   digitalWrite(LEDgreen, HIGH);
   Serial.print("sensor = ");
   Serial.print(nilaiSensor);
   Serial.print("sensitivity low");
   myDisplay.setTextAlignment(PA_LEFT);
   myDisplay.print("SIDANG");}
 delay(2000);
 
 if(nilaiSensor > 63){
   digitalWrite(LEDyellow, HIGH);
   Serial.print("sensor = ");
   Serial.print(nilaiSensor);
   Serial.print("sensitivity medium");}
    myDisplay.setTextAlignment(PA_CENTER);
    myDisplay.print("TOLONG PELANKAN SUARA");}

 if(nilaiSensor > 90){
   digitalWrite(LEDred, HIGH);
   Serial.print("sensor = ");
   Serial.print(nilaiSensor);
   Serial.print("sensitivity high");
    myDisplay.setTextAlignment(PA_CENTER);
    myDisplay.print("JANGAN RIBUT");}

  else{
     digitalWrite(LEDgreen, LOW);
     digitalWrite(LEDyellow, LOW);
     digitalWrite(LEDred, LOW);}

    delay(2);
     
}