Lesson 62: Time control without delay, LED blink with millis()
Please select other codes for this lecture from the links below.
Part 6: Arduino Practial Programming
In this lesson we learn about millis() function a different way to add delay or determain time without halting other processes. This is example 1. Please watch the video for full details.
Millis reference page- 00:00 Introduction
- 04:41 millis() example one
- 07:14 millis() example two
- 11:12 millis(0 example three
- 16:11 LED blink using millis
- 17:08 Wiring for LED explained
- 18:06 Code explained
- 22:36 LED blink demonstration
/*
* Lesson 62: Time control without delay, LED blink with millis() | Arduino Step By Step Course
* Example-1
* Written by Ahmad Shamshiri on July 27, 2019
* in Ajax, Ontario, Canada
* Watch video instruction for millis() : https://youtu.be/obBX9hyH5mM
This video is part of Arduino Step by Step Course which starts here: https://youtu.be/-6qSrDUA5a8
If you found this tutorial helpful, please support me so I can continue creating
content like this. You can support me on Patreon http://robojax.com/L/?id=63
or make donation using PayPal http://robojax.com/L/?id=64
* * This code is "AS IS" without warranty or liability. Free to be used as long as you keep this note intact.*
* This code has been download from Robojax.com
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
unsigned long event = 5000;// 5 seconds
void setup() {
Serial.begin(9600);//initialize serial monitor
Serial.println("Introduction to millis");
pinMode(2,INPUT_PULLUP);
}
void loop() {
// Robojax.com millis() example 1
Serial.println(millis());
int pb = digitalRead(2);// read pin 2
if(pb ==LOW)
{
if(millis() >= event)
{
Serial.println("Take action");
}// if end
}// if end
}// loop end