Perancangan Frekuensi Meter Osilator IC LM555 Berbasis Arduino Nano

20

Lampiran A

Program Keseluruhan dari sistem

#include "Timer.h"

#include <LiquidCrystal.h>

LiquidCrystal lcd(6, 7, 9, 10, 11, 12);

Timer t; int count = 0;

void setup() {

// put your setup code here, to run once: lcd.begin(16, 2);

lcd.print("TUGAS AKHIR"); lcd.setCursor(0,1);

lcd.print("INDRA KHARISMA"); delay(1000);

Serial.begin(9600);

attachInterrupt(0, ISR_clock, FALLING); t.every(1000,takeReading);

}

void loop() {

21 // put your main code here, to run repeatedly:

t.update(); }

void takeReading() {

lcd.clear();

Serial.print("Freq = ");

float freq = count; Serial.println(freq); lcd.setCursor(0,0); lcd.print("frekuensi :"); lcd.setCursor(0,1); lcd.print(freq/2); lcd.setCursor(4,1); lcd.print("Hz"); count=0; }

void ISR_clock() {

count++; }