ezLED Library - LED Blink Number Of Times Example

This tutorial shows how to use an example of ezLED library that blink a LED in the number of times.

Hardware Required

1×Arduino UNO or Genuino UNO
1×USB 2.0 cable type A/B
1×LED
1×220 ohm resistor
1×Breadboard
2×Jumper Wires
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About LED

About ezLED Library

Wiring Diagram

Arduino LED Library Wiring Diagram

Image is developed using Fritzing. Click to enlarge image

Arduino Code

Quick Steps

  • Install ezLED library. See How To
  • Connect Arduino to PC via USB cable
  • Open Arduino IDE, select the right board and port
  • On Arduino IDE, Go to File Examples ezLED LEDBlinkNumberOfTimes example
/* Created by ArduinoGetStarted.com This example code is in the public domain Tutorial page: https://arduinogetstarted.com/library/led/example/arduino-led-blink-number-of-times This example blinks an LED: + blink LED 10 times and then off + without using delay() function. This is a non-blocking example */ #include <ezLED.h> // ezLED library ezLED led(9); // create a LED object that attach to pin 9 void setup() { Serial.begin(9600); led.blinkNumberOfTimes(250, 750, 10); // 250ms ON, 750ms OFF, repeat 10 times, blink immediately //led.blinkNumberOfTimes(250, 750, 10, 1000); // 250ms ON, 750ms OFF, repeat 10 times, blink after 1 second } void loop() { led.loop(); // MUST call the led.loop() function in loop() if (led.getState() == LED_BLINKING) Serial.println("BLINKING"); else if (led.getState() == LED_IDLE) Serial.println("BLINK ENDED"); // To stop blinking immediately, call led.cancel() function }
  • Click Upload button on Arduino IDE to upload code to Arduino
  • Arduino IDE Upload Code
  • Open Serial Monitor to see result:
  • COM6
    Send
    BLINKING BLINKING BLINKING BLINKING BLINKING BLINKING BLINK ENDED
    Autoscroll Show timestamp
    Clear output
    9600 baud  
    Newline  

Code Explanation

Read the line-by-line explanation in comment lines of source code!

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