Arduino_FlasherSpedaMotor_Attiny85

/*
ATTINY13/85
 +Vcc-----------1-|    |-8--Vcc
      NC - PB3--2-|    |-7--PB2 = BUZZER
 OUT_PIN = PB4--3-|    |-6--PB1 = IN_PIN
           Gnd--4-|    |-5--PB0 - NC

(PCINT5/RESET/ADC0/dW) PB5---1-|    |-8---VCC
    (PCINT3/CLKI/ADC3) PB3---2-|    |-7---PB2 (SCK/ADC1/T0/PCINT2)
         (PCINT4/ADC2) PB4---3-|    |-6---PB1 (MISO/AIN1/OC0B/INT0/PCINT1)
                       GND---4-|    |-5---PB0 (MOSI/AIN0/OC0A/PCINT0)
*/

#define    INPIN   PB1
#define   OUTPIN   PB4
#define   BUZPIN   PB2

#define  IN_HIGH  (PINB & (1<<INPIN))
#define   NYALA      PORTB |=  (1<<OUTPIN)
#define   MATI       PORTB &= ~(1<<OUTPIN)

unsigned long waitPoint=0;
const unsigned long max_on = 65535;

void setup() {

  DDRB &=~(1 << INPIN); // input
  DDRB |= (1 << OUTPIN); // output
  DDRB |= (1 << BUZPIN); // output
  MATI;
  _beep(2);
  if(IN_HIGH) {
    waitPoint = millis();
  } else {
    PORTB |=  (1<<BUZPIN); delay(500);
    PORTB &= ~(1<<BUZPIN);
    waitPoint = millis() - 50000;
  }
}

void loop() {
  while(!IN_HIGH && (millis() - waitPoint) < max_on ) kedip();
  tunggu(IN_HIGH);
  waitPoint = millis();
};

void tunggu(byte x) {
  byte old_x = x;
  if(!x) { // kalo timeout msh on
    PORTB |=  (1<<BUZPIN); delay(500);
    PORTB &= ~(1<<BUZPIN);
  }
  // masih off/on
  while(IN_HIGH==x) delay(200);
  if(old_x) _beep(1);
};

void kedip(void) {
  NYALA; delay(500);
  MATI ; delay(450);

  NYALA; delay(350);
  MATI ; delay(350);

  NYALA; delay(350);
  MATI ; delay(450);
};

void _beep(byte x) {
  for(byte i=0;i<x;i++) {
    PORTB |=  (1<<BUZPIN); delay(75);
    PORTB &= ~(1<<BUZPIN); delay(75);
  }
};