2015/11/21
文字框
const byte LED = 13;
char val;
void setup() {
// put your setup code here, to run once:
pinMode(LED, OUTPUT);
Serial.begin(9600);
Serial.print("Welcome to Arduino!\n");
}
void loop() {
// put your main code here, to run repeatedly:
if(Serial.available()){
val = Serial.read();
if(val=='1'){
digitalWrite(LED, HIGH);
Serial.print("LED ON\n");
}else if(val=='0'){
digitalWrite(LED, LOW);
Serial.print("LED OFF\n");
}
}
}