const int DO_PIN = 32; 
const int LED_PIN = 23; 
const int potPin = 34;

int potValue = 0;

void setup() {
  Serial.begin(115200);
  pinMode(DO_PIN, INPUT);
  pinMode(LED_PIN, OUTPUT);
  digitalWrite(LED_PIN, LOW); }

void loop() {
  int doState = digitalRead(DO_PIN);
  
  potValue = analogRead(potPin);

  Serial.print("DO trạng thái: ");
  Serial.print(doState);
  Serial.println();
  Serial.println(potValue);
  

  if (doState == LOW) {
    digitalWrite(LED_PIN, HIGH); 
  } else {
    digitalWrite(LED_PIN, LOW); 
  }

  delay(1000); 
}