Arduino Nano LED Candle.ino

Arduino Nano LED Candle.ino

/*
 * Copyright 2020 Code and Make (codeandmake.com)
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

/*
 * Simple flickering candle effect using up to 6 LEDs.
 * 
 * This code accompanies the following Thingiverse project: https://www.thingiverse.com/thing:4113149
 */

/**
 * PWM Pins on Arduino Nano are 3, 5, 6, 9, 10 and 11
 * See: https://www.arduino.cc/reference/en/language/functions/analog-io/analogwrite/
 */
int ledPins[] = { 3, 5, 6, 9, 10, 11 };


/**
 * Set each pin as an output
 */
void setup() {
  for (int i = 0; i < sizeof(ledPins) / sizeof(int); i++) {
    pinMode(ledPins[i], OUTPUT);
  }
}


/**
 * Set random values for each pin
 */
void loop() {
  for (int i = 0; i < sizeof(ledPins) / sizeof(int); i++) {
    analogWrite(ledPins[i], random(10, 255));
    delay(random(10, 20));
  }
}