LESSON 30: Advanced Software Interrupt Techniques for Reading Serial Data on Arduino

You guys can help me out over at Patreon, and that will keep this high quality content coming:

This lesson shows how to use software interrupts to read serial data on the Arduino. This is demonstrated using the adafruit ultimate gps. You can follow this lesson on our WEB site at:

The interrupt library used in this video can be found here:

[riyadzahdour]

"there is some good Pauls out there working on arduino" Paul Mcwhorter 2020

[GarretsonIndustries]

You have a video for literally everything I want to do with arduino. You're a godsend!

[stAirsoftDivision]

Thank you so much for these lessons. These are all helping me in college while trying to code an autopilot from scratch. YOU DA MAN PAUL!!!

[uyenminhvotran]

Hello. Just a quick tip for saving time in debugging for the issue talked at 27:16. Instead oif writing if (flag == 1), write if (1 == flag). If you forgot 1 equal sign, it will be spot out during the compilation.

[springbok]

‘I’m out there banging that interrupt’ - Paul McWhorter 2018

[haozhe]

You are BRILLIANT Sir! Thanks SOOOO much for those very helpful tutorials!

[osazeimhontu]

Thank you sir for your wonderful tutorial, I love the way you make complex programs easy to understand.

[paulmeistrell]

Really good lesson Paul. Being as I have a NEO-6M gps breakout I did not find a way to just have GPS send just 1 sentence. Had a lot of fun looking at the datasheets and software to finally decide this. The good news is even a huge block of data could still transfer without destroying the timing. There maybe a way but I was not sorting it out of the data sheets to software.

[jeffmahoney]

Thank you so much Paul. You are the BEST teacher on YouTube in my opinion!

[mjrokzz]

It's good to listen to your tutorial. For me most of the part in the tutorial is useful, Nothing to skipped!..
And I have a request, if possible upload a video on hardware interrupt.

[Steve-GMHUU]

👍very useful thank you.
In case it helps anyone, I was using IDE 1.8.15 and I had to include:
void readGPS();
in variables section before void setup. Without this, code would not compile.

[asarebaahdaniel]

I watch your videos everyday and practicing alongside with you... Thanks you so much and God bless..pls can you give us more lesson on sensors

[marekczarnecki]

You are awasome! You saved my project! Thank You!

[sameerk]

Hello from India....Thank you very much Sir for this great tutorial...really helpful...appreciated.

[DRACOBUCIO]

that was just awsome !!! i didn't know that's what i just need for solve my project. im now a suscriber.

[gauravbanwari]

Dear sir I’ve been waiting for your esp32 or nodemcu series or any other iot based series. I would love you start it. I really understand the way you teach.Thanks☺️

[niceday]

Amazing, I enjoy the course very much, thank you very much!

[TechnoAutomation]

It's ozm. It's Beauty of programming.
Thanks sir for teaching this technique.

[bluehornet]

Instructive video Paul--thanks for making it. I love the fact that you teach your students to do incremental builds to catch errors early (like after you #include a header), but you don't have to flash the code to your Arduino to check it though. Just have them use the "verify" checkmark next to the download button. That way you're not re-flashing memory just to verify that you can access a library. The AVR chips do have a finite number of flash writes available, and you can exceed the number. So I just build ("verify") as needed, but only flash when I want to try running the new code. Just a thought.

Also, and this is me being a bit obsessive-compulsive, I'll admit...but I wish you'd use more whitespace. It's hard to read your code sometimes because all the characters are often run together. In fact it's a bit ironic that you are frustrated with your students for mixing up "=" and "==" but then did it yourself--and (I think) it's less likely to happen if you use whitespace on either side of the == operator. As I recall, it's either the MISRA, JPL or JSF coding standards (I forget which now) that actually recommend the use of whitespace between tokens.

[danmyself]

This is the third time I listened to this lesson and I'm starting to understand the whole concept I think I need to listen to it a fourth time thank you very much