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Arduino Interrupts Button Tutorial Example - Pin 2 Hardware Easy Guide

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Arduino Interrupts are powerful. In this tutorial, I will be showcasing an example on how to tie Pin 2 of the Arduino to a hardware interrupt with the use of a button. This simple guide illustrates the functions of an interrupt, how it triggers different software states as well as the configurations you need to make.
We will also take a deeper dive into the intricacies of interrupts, where they may be needed and how the configuration works in the software.
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Hardware Used:
Arduino Uno R3: amzn.to/2MfOY6h
Breadboard: amzn.to/2tkwH0u
10mm RGB LED: amzn.to/2MeNQjs
Software Used:
Online Arduino Editor
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Personal website: vladromanov.com

Опубликовано:

28 авг 2024

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Комментарии : 29

@EEEnthusiast 6 лет назад

Dear viewers, I'd like to hear back from you about the next topics for my videos! I've re-vamped my list of things to cover. What kind of projects are you currently working on? Where are you having the most trouble? What do you believe I should cover? It would mean the world to me to hear your feedback! Cheers, Vlad

@janawillms3347 6 лет назад

the best

@hayeswaylon2514 3 года назад

pro trick : you can watch series on Flixzone. Me and my gf have been using them for watching loads of movies during the lockdown.

@derrickemmett9623 3 года назад

@Hayes Waylon Definitely, I've been watching on flixzone} for since november myself :D

@dimitriosmakris8233 2 года назад

I am working on a code of an automated antenna lifting mechanism. I am using arduino mega 2560 for this. I want to implement an emergency stop function using the interrupt. The interrupt is working but I dont knwo what to write in my ISR becuase whatever I wirte there, the coding will then return to my main loop and things will go random...

@danljohnston 6 лет назад

Vlad, this is the best in-dept interrupt video on YT. Just the right time and thoroughly explained. For me, so good to see that you are still doing Arduino tutorials. I think you are a born teacher. Thanks for posting.

@EEEnthusiast 6 лет назад

Thank you so much Danny for that comment. I’ve fallen behind on some of the things I wanted to cover on the channel, but that’s life for you! Doing my best to catch up and pass down some of my knowledge. Feel free to contact me at any time if you’d like to see something specific on Arduino or any other electronic platforms.

@nomiahmad5268 5 лет назад

The way you explain everthing , its awesome... please also make video on SPI communication but without library using... we need to see the communication.. thanks

@springwoodcottage4248 6 лет назад

Thank you for this super useful video which is particular relevant to a project I am working on where when ever random data occurs it should wake up up a processor record that an event has happened & then go back to sleep. I was particular taken by how well the interrupt works in the little robotic car that you showed, much more demanding than my particular project giving me confidence that I can get satisfactory performance. Thank you for sharing!

@paologrisanti7865 6 лет назад

First of all congratulations: you are e very good teacher. Even if I am italian I can understan almost everything (and I am sure I will understand everything when I will see the video again). I would like to learn in depth how to control motors (not stepper or servo, but simply motor) with Arduino Uno or Arduino Nano (power shields, wirings, sketches). Thank you.

@EEEnthusiast 6 лет назад

Thank you Paolo! What kind of motors are you interested in specifically? You've got me thinking about controlling large industrial motors (5HP+) with an Arduino. That being said, I can definitely explain the theory, but I don't have access to 3phase circuitry in my house. Is there a particular kind of motors you were thinking about?

@paologrisanti7865 6 лет назад

EEEnthusiast As a mechanical engineer I am interested in motors at least of 1HP DC. Now I have no idea about possible use, but understanding control can be useful. I know Arduino cannot handle more than 5 volts and few milliamperes so it would be great knowing electronic that could control that kind of motors. Thankyou!

@gabrielcross1062 Год назад

this is very helpful. How would I do the opposite? I want to set the interrupt so that it is always stopping the program, then pressing the button will allow the program to run.

@ktrg1977 2 года назад

Thankyou so much so so so much

@RichiMenendez 5 лет назад

QUE SEÑOR VIDEO GRACIAS A TI GANE ACE2 TE AMO

@sanjaybatra6593 Год назад

As you said using interrupt ,something can be nightmare ...... In ISR, I am Switching OFF a 220V 5RPM motor in ISR . interrupt trigger on FALLING edge through a npn proximity sensor. Motor is connected to a RELAY. Software part is switching ON motor after every two minutes. I found random behavior , something motor gets ON after 2 minutes, something its not. May be interrupt is triggering due to RELAY EMI/NOISE ? What is the safe way to use interrupt ?

@artemmelnyk5522 4 года назад

Thank you for your video. Is it possible to use both pins (pin 3 and pin 2) to call two different ISR ?

@capistor1 5 лет назад

Could you also make a video on programming stm32 m4 cortex or any arm processor and also highlight the differences between arduino and arm and their uses. Thanks!

@aimansam8428 4 года назад

hello sir, what if make the led wont stop working after button pressed?

@SK-we1ty 6 лет назад

thinx ... it is very useful but i have a question about MPU 6050, i used your code (that you provided in previous video ) .... but i failed to get rotation angle about Z- axis. is that possible by MPU 6050 or should i use MPU 9265

@EEEnthusiast 6 лет назад

You should be able to get the rotation around the three axis (x, y and z) what trouble did you run into exactly?

@kimberlycarreon1129 2 года назад

Hi sir, I am getting this error, what might be the problem, thanks 'InterruptFunction' was not declared in this scope

@vangeziyorum9725 2 года назад

I made an ultrasonic height and weight measuring device. I wrote the codes with Arduino and arduino UNO. Normally everything works fine. But sometimes after waiting for an hour or two, I take a measurement, the device is measuring, it shows the numbers on the screen, but it does not print the result to the thermal printer. The numbers stay on the screen, then the device is reset with whatchdog. This is starting to get annoying. can you help me with this

@eduardocastillo1497 6 лет назад

Thanks for your video (y), you are magazine. I have a question, when you push the button, the funtion "interrumpFuntion" should do and turn the leds on but when you push the button, all the LEDs are on, why?

@EEEnthusiast 6 лет назад

Hi Eduardo, thank you for the feedback. I believe that you have mistyped that LEDs are "off"? The reason being is that my LED is connected in a way where the common is set to 5VDC. When I write a HIGH signal to each of the other three pins, the LED is turned off because there is no longer a difference in potential across any of the pins. Does that makes sense or am I misunderstanding your question?

@eduardocastillo1497 6 лет назад

thank you EEEnthusiast, now I understand all :-)

@iconoclad 5 лет назад

@@EEEnthusiast Actually, at 0:33, you connected the common LED lead to ground. The code that you show in this video is NOT the code that was running when the video was shot. Additionally, the comments in the code do not match the statements to which they are attached. Your explanation and diagrams are clear but the actual code shown is misleading. Also, you don't discuss switch debouncing, which, in an ISR is pretty tricky to achieve due to the delays required.