lamp, 2 months ago

const int buttonPins[] = {2,3,4,5,6,7};
int lastBtnState[6] = {HIGH, HIGH, HIGH, HIGH, HIGH, HIGH};
unsigned long lastBtnTime[6];

void setup() {
  for (int i = 0; i < 6; i++) {
    pinMode(buttonPins[i], INPUT_PULLUP);
  }
  pinMode(LED_BUILTIN, OUTPUT);
  Serial.begin(9600);
}

void loop() {
  for (int i = 0; i < 6; i++) {
    int btnState = digitalRead(buttonPins[i]);
    if (btnState != lastBtnState[i]) {
      if (micros() - lastBtnTime[i] > 1000) {
        OnBtnStateChange(i, !btnState);
      }
      lastBtnState[i] = btnState;
      lastBtnTime[i] = micros();
    }
  }
}

void OnBtnStateChange(int btn, bool pressed) {
  Serial.print(btn);
  Serial.println(pressed);
  digitalWrite(LED_BUILTIN, pressed);
}