Rancang Bangun Detektor Level Getaran Menggunakan Sensor Modul Getar Berbasis Mikrokontroler Arduino Promini 328

LAMPIRAN PROGRAM

#include <Wire.h>

#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x3F, 16, 2);

long microSecs;

long freq;

int lastBit;

int nowVal;

long secs;

long maxHz;

long minHz;

long minmax;

void setup() {

pinMode(A0,INPUT);

pinMode(A5,OUTPUT);

pinMode(6,OUTPUT);

pinMode(7,OUTPUT);

pinMode(8,OUTPUT);

microSecs = micros();

freq = 0;

lastBit = 0;

maxHz=0;

minHz=0;

minmax=0;

secs = millis();

Serial.begin(9600);

lcd.begin();

// Turn on the blacklight and print a message.

lcd.backlight();

lcd.setCursor(0, 0);

lcd.print("alat deteksi");

lcd.setCursor(0, 1);

lcd.print("getaran");

delay (2000);

lcd.clear();

}

int x=0;

void loop() {

if ((microSecs+20)<micros()){

if (lastBit!=nowVal) {

lastBit=nowVal;

freq=freq+1;

}

if (freq>maxHz){

maxHz=freq;

}

if (freq<minHz){

minHz=freq;

}

//lcd.clear();

//lcd.print();

microSecs = micros();

}

if (secs+1000<millis()){

if (minmax+300000<millis())

{

minmax=millis();

minHz=freq;

maxHz=freq;

lcd.setCursor(0, 0);

lcd.print("Nilai sensor:");

lcd.setCursor(0, 1);

lcd.print(freq);

lcd.setCursor(10, 1);

lcd.print("Hz");

Serial.print((freq));

Serial.print("hz");

//Serial.setCursor(0,1);

//Serial.print("+: ");

//Serial.print(maxHz);

//Serial.print(" -: ");

//Serial.print(minHz);

if (freq>=10)

{digitalWrite (2,HIGH);

}

if (freq>=100)

{ digitalWrite (2,HIGH);

if (freq>=200)

{ digitalWrite (2,HIGH);

digitalWrite (4,HIGH);

digitalWrite (3,HIGH);

}

else

{

digitalWrite (2,LOW);

digitalWrite (3,LOW);

digitalWrite (4,LOW);

}

freq=0;

secs=millis();

}

delay (1000);

lcd.clear();