// lab4 Arduino_Switch_1LED
#define LED 13
#define SW1 4
#define pressed LOW
void setup()
{
// put your setup code here, to run once
Serial.begin(9600);
pinMode(LED, OUTPUT);
pinMode(SW1, INPUT_PULLUP);
}
void loop()
{
// put your main code here, to run repratedly:
int value = digitalRead(SW1);
if(value == pressed)
{
Serial.println("pressed Switch");
delay(10);
digitalWrite(LED, HIGH);
}
else
{
digitalWrite(LED, LOW);
}
}