intip.in/halobandung

const byte numPins = 7;
	byte pins[] = {13, 14, 15, 16, 17, 18, 19};
	void setup() {
	Serial.begin(115200);
}

void loop() {
	while(!Serial.available()); // Do nothing until serial input is received
	byte num = Serial.read(); // Get num from somewhere
	for (byte i=0; i<numPins; i++) {
		byte state = bitRead(num, i);
		digitalWrite(pins[i], state);
		Serial.print(state);
	}
	Serial.println();
}