[예제 1]
[예제 2]
unsigned char c;
void setup(){
Serial.begin(9600);
}
void loop(){
if(Serial.available() >0){
c=Serial.read();
Serial.write(c);
}
}
unsigned char c;
void setup(){
Serial.begin(9600);
pinMode(13, OUTPUT);
}
void loop(){
if(Serial.available() >0){
c=Serial.read();
if(c == '1') {
digitalWrite(13, HIGH);
Serial.println("LED ON");
}
else if(c == '0') {
digitalWrite(13, LOW);
Serial.println("LED OFF");
}
}
}