#define LED_PIN 13
void setup() {
pinMode(LED_PIN, OUTPUT);
Serial.begin(9600);
Serial.println("Enter LED state (0/1 or 'x' to clear)");
}
void loop() {
if (Serial.available()) {
char ch = Serial.read();
if (ch == '0' || ch == '1') {
int ledState = ch - '0';
digitalWrite(LED_PIN, ledState);
Serial.println("LED " + String(ledState));
} else if (ch == 'x') {
digitalWrite(LED_PIN, LOW);
Serial.println("LED cleared");
}
}
}
БЛОК ++