Morse Machine

 

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This program teaches you to receive Morse code (CW).

It starts with two letters and adds more when it sees that you are ready. This is the easiest way to learn code because the computer thinks about the practice you need next instead of wasting your time with stuff you already know or confusing you with stuff that you don’t.

The original idea comes from Ward K9OX (http://c2.com/morse/).

The app uses the Koch method letter sequence and starts with the first two letters: K and M.

For Each letter you have a column showing how high is your error score. It starts from 100 and lowers as you start guessing letters right and increases when you are wrong or you take too much time to recognize it.

SETTINGS

WPM (Words Per Minute): let you set the speed of the CW playing. The suggested speed is 20. The minimum is 15. You should choose a speed that does help you focus on the sound of each letter and not on the dits and dahs.

CW TONE: choose a tone frequency that suits your ears. Default is 700Hz

LESSON: sets the lesson level. By default you start with lesson 1 (2 letters) and as you get confident with them new ones are addedd.

MINIMUM LEVEL: sets the minimum average error level before adding a new letter.

RESET SETTINGS: resets the error level of each letter back to 100%.

 

The app can be found here:
https://play.google.com/store/apps/details?id=com.iu4apc.morsemachine

 

Any feedback and suggestion is more than welcome!

72/73, Andrea IU4APC

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About Andrea IU4APC

Andrea IU4APC - Software developer and Ham Radio operator.

24 comments

  1. If there was an iOS or web-based version of this, I would be a very happy future ham.

    Like

  2. Andreas

    Excellent app. I really enjoy it 🙂

    One question about the “minimal level” setting:
    Does 25% means that a new char is introduced when i read 75% of the chars correct ?
    I ask because (for my personal feeling) the app introduces new chars very fast and i
    Would like to slow this down a bit (i mostly use the app in the subway. Not the perfect
    Environment, of course).

    73 55
    Andreas

    Like

    • Thanks a lot! I’m happy that you like it.

      The 25% is the average error level of all the letters.

      Each letter starts with 100% and, depending on how fast you guess the letter, the error level can go down up to around 3%. If you feel that it goes too fast you can decrease this value but not too much otherwise the already learned letter will be repeated too rarely.

      I found that 25% is a good level. But feel free to try other error levels and see what’s the one that better suits your needs.

      72/73 Andrea IU4APC

      Like

  3. Andreas

    Thanks For the clarification. I will try different settings.

    73 55 Andreas

    P.S: Your response time (9 minutes !!!) is more than impressive :

    Like

  4. Dawid SQ6EMM

    Hi Andrea,

    any progress with IOS version?:)

    Like

    • Hi Dawid,
      unfortunately not. I had almost no time for (personal) development in the last months 😦
      I hope to get back soon as it’s pretty close to be ready.
      72/73 Andrea IU4APC

      Like

  5. Daniel

    Hi Andrea, when I heard about Morse Machine I dusted off an old Galaxy S3 and I must say I’m quite impressed with your app. It’s REALLY helping me improving my code skills. I want to thank you for the app, that’s it. And hope you can have the time to develope the iOS version: you’ve got a client with me! Tks & 73 from Daniel, EA3GEO

    Like

    • Thanks a lot Daniel!

      I’m just working on a complete rewrite or it (and other apps) that will let me easily deploy to Android/iOS and also Windows Phone.

      The Morse Machine is a very helping app and definetly one of my favourite ones.

      I have some ideas to make it even more engaging.

      72/73 Andrea IU4APC

      Like

      • Daniel

        These are very good news indeed! 😊
        I’ll be eagerly awaiting your new developments on Morse Machine apps.
        Keep this good work going ahead!
        73 ES GD DX DE EA3GEO

        Like

  6. ON7DH Marcel

    An option to choose only the letters, numbers or(and) punctuation would be welcome. Bug sometimes on my galaxy S3 with crackling in the sound. Statistics sometimes become wrong and after a reset, it starts again at 0.
    But it’s still a good application.

    Regards.

    Like

    • Thank for the suggestion and bug report.
      I’m working on a new version that I should be able to release in the coming weeks.
      72/73 Andrea IU4APC

      Like

    • Daniel

      I agree. An option to choose only numbers, letter or punctuation would be helpful. Also it would be good having some kind of results register in an order to evaluate progress. Another interesting option could be sending groups of letters. I find myself with near no mistakes at 20 wpm and 4 secs of no warning but I’m stuck on the quantity of letters I’m able to “process” in 10 min. If I reduce the “no warning” to say 2 sec that’s a bit of a disaster. I suppose I just need to put some more work! Bst rgds & 73.

      Like

      • Thanks for suggestions.
        I’ll try to take it into account for the next version.
        It’ll be a complete rewrite with many new features.
        72/73 Andrea IU4APC

        Like

  7. Alfat

    Hi Andrea.
    How to calculate the statistics in this application, if it is not a secret?

    Like

  8. Ben

    Ciao Andrea, thanks for your great work on morse-machine.
    Could you please explain the switches of the unactivated letters/signs/numbers (narrow switch OVER the letter) … when i point the finger f.e. on the unactivatet 4 –> a big amount of other unactivated will go active.
    I searched for a explanation like faq but found no answer …
    Thanks, 73 de Ben DM4ZZ

    Like

  9. Fred

    Hi, just bought the app for my iPad. Seems to have downloaded, PayPal took my money, app says it is compatible with my device but I can’t find it on my machine to open! Help🙀

    Like

  10. Love this app but if I could change one thing would be to be able to disable the hint letter or have the letter only appear after the morse sound has been replayed x times. I sometimes miss the first attempt to recognise a letter but on hearing it again would get it, having the letter show spoils that for me.

    Like

  11. This is a wonderful app! One think I would like to ask is this: I have a mac bluetooth keyboard that I can use with some of the other apps on my Samsung Galaxy. Your app does not seem to play well with my keyboard, so it is a little challenging for me. I can type on a real keyboard but can’t go much over 5 wpm on a touch screen. Any thoughts?

    Like

  12. Mike Maynard

    Love the app, It would be nice if you could backup the progress….

    Like

  13. Hello Andrea, I just purchased Morse Machine for my Android devices. Great app and the best I have tried. I would like to know if you have thought about being able to customize the spacing of the characters sent. That seems to help me focus a bit more when the characters come a little faster. Keep up the good work!!

    Like

  14. OK. I have been using this about 2 weeks. It is by far the best morse tutor I have ever used. I am running 94%+ on all of my sessions. GET. THIS. APP.

    Like

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