Somewhat related, my iOS app[1] has a morse code reference and lets you train, it could be useful here. Its backstory is also a bit silly, it started as the si

Somewhat related, my iOS app[1] has a morse code reference and lets you train, it could be useful here. Its backstory is also a bit silly, it started as the simplest app idea I could think of; I posted more about it recently[2]. [1]: https://apps.apple.com/app/simple-morse-tool/id873021583 https://apps.apple.com/app/simple-morse-tool/id873021583 [2]: https://news.ycombinator.com/item?id=45569321 https://news.ycombinator.com/item?id=45569321