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ezOutput Library - Multiple Blink Without Delay Example
Hardware Required
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About LED
- Refer to Arduino - Led Blink tutorial
About ezOutput Library
- Refer to Arduino - ezOutput Library Reference
Wiring Diagram
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Arduino Code
Quick Steps
- Install ezOutput 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 ezOutput 05.MultipleBlinkWithoutDelay example
/*
* Created by ArduinoGetStarted.com
*
* This example code is in the public domain
*
* Tutorial page: https://arduinogetstarted.com/tutorials/arduino-output-library
*
* This example blinks 3 LED:
* + with diffent frequencies
* + start blink at the same time
* + without using delay() function. This is a non-blocking example
*/
#include <ezOutput.h> // ezOutput library
ezOutput led1(7); // create ezOutput object that attach to pin 7;
ezOutput led2(8); // create ezOutput object that attach to pin 8;
ezOutput led3(9); // create ezOutput object that attach to pin 9;
void setup() {
led1.blink(500, 250); // 500 milliseconds ON, 250 milliseconds OFF
led2.blink(250, 250); // 250 milliseconds ON, 250 milliseconds OFF
led2.blink(100, 100); // 100 milliseconds ON, 100 milliseconds OFF
}
void loop() {
led1.loop(); // MUST call the led1.loop() function in loop()
led2.loop(); // MUST call the led2.loop() function in loop()
led3.loop(); // MUST call the led3.loop() function in loop()
}
- Click Upload button on Arduino IDE to upload code to Arduino
- See LED's state
Code Explanation
Read the line-by-line explanation in comment lines of source code!