esp32/level1/bar_led_basic/src/main_esp.cpp

/**
  Use bar LED
  10 APR 2025 by Blind Author
*/

#include <Arduino.h>

int pinList[] = {2, 4, 5, 12, 13, 14, 18, 19, 21, 22};

int threshold = 6;

void setup() {
  for (int i=0; i<10; i++) {
    pinMode(pinList[i], OUTPUT);
  }

  for (int i=0; i<10; i++) {
    if (i < threshold) {
      digitalWrite(pinList[i], HIGH);
    } else {
      digitalWrite(pinList[i], LOW);
    }
  }
}

void loop() {
}