網頁文章 javax.portlet.title.56

  int switch_state;

 
void setup() 
{
Serial.begin(9600);
pinMode(13,OUTPUT);
pinMode(4,INPUT);
}
 
 
void loop() 
{
switch_state = digitalRead(4); 
if (switch_state==1)
 
  digitalWrite(13, LOW);
 
else
  digitalWrite(13, HIGH);
/* --(end main loop )-- */
Serial.println(switch_state);
//delay(1000);
}