Take off

<<Code>>

int potpin = 0;

int ledpin = 13;

int val = 0;

void setup() {

  // put your setup code here, to run once:

pinMode(ledpin,OUTPUT);

Serial.begin(9600);

}

void loop() {

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

val = analogRead(potpin);

Serial.println(val);

delay(1000);

}

조도 센서는 빛의 세기에따라 제어가 필요한 경우에 조건으로 사용가능. 응용을 어떻게 할까..

<<CODE>>

int REDpin = 6;

int YELLOWpin = 5;

int GREENpin = 4;

void setup() {

  // put your setup code here, to run once:

  pinMode(REDpin, OUTPUT);

  pinMode(YELLOWpin, OUTPUT);

  pinMode(GREENpin, OUTPUT);

}

void loop() {

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

digitalWrite(REDpin, HIGH);

delay(3000);

digitalWrite(REDpin, LOW);

digitalWrite(YELLOWpin, HIGH);

delay(3000);

digitalWrite(YELLOWpin, LOW);

digitalWrite(GREENpin, HIGH);

delay(3000);

digitalWrite(GREENpin, LOW);

}