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October 6, 2021 at 12:13 am #12032
We’ve had a couple of requests for morse input controllers. While I’m a ham radio operator and nominally know something about keying systems, I don’t know the conventions used in morse input for assistive technology.
A really good open-source platform for morse keying is Anthony ‘K3NG’ Good’s Arduino CW Keyer 2 platform. I’ve used it for some years and it’s very stable. It’s also got lots of options:
- can use almost any type of switch for single key (straight key) or dual key (iambic, or paddle) input
- lots of ways to vary the input speed
- can operate as a USB keyboard if you use an Arduino Leonardo or Micro (as used in the LipSync)
I’d be interested to hear if other people have better options.October 6, 2021 at 12:27 am #12062
Jim Lubin has pulled together a number of relevant resources here for using Morse Code for computer access / AAC:
Jim is a member of the ATMakers Facebook group and uses a sip and puff switch with a (no longer available) AdapTek Interface Adap2U Adaptive Input Interface System to access and control a computer with Morse Code. I think ATMakers was working on a new device for Jim, but unsure of its status:https://github.com/ATMakersOrg/AirTalker 1
@MMC_Milad has developed a Morse Code library called EasyMorse (https://github.com/milador/EasyMorse 1) that is used by the FAIO Sip and Puff switch he designed (https://github.com/milador/FAIO_Sip-And-Puff 1).
The other open source Morse controller project I am aware of is Morse2Go, which is a Morse-to-speech device. It looks like development stalled some time ago.
Site: https://www.morse2go.org/ 1 (Now defunct)
Wayback machine: https://web.archive.org/web/20180419181040/https://morse2go.org/October 6, 2021 at 12:30 am #12068
I have created the bluetooth version of EasyMorse (EasyMorseBlue) library for arduino compatible boards with on board Bluefruit bluetooth module.
EasyMorseBlue morse code library 3
It also comes with helper functions to easily send mouse and keyboard HID commands.October 6, 2021 at 12:35 am #12075October 6, 2021 at 12:37 am #12080
Here are a few more resources that were developed based on a Morse-compatible Android Keyboard / Gboard:
Hello Morse – Experiments with Google
Gboard Input Switch for Morse Code by Ken Finlayson – Experiments with Google
Gboard Input Switch for Morse Code : 15 Steps – Instructables 1
There are some great resources here for learning Morse code as well:
Morse – LearnOctober 6, 2021 at 12:39 am #12085
Ooh, thanks! Those are great resources. First detail that strikes me is that the AT community has extended morse for keyboard/mouse events while radio users have stuck with a very small alphabet with an emphasis on speed and simplicity.
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