Just in case anyone is interested in learning morse code or interested in amateur radio, this is a really cool gadget.

https://qrp-labs.com/Morserino

One of the nifty features is it has wifi so you can "talk" cw over the internet (vband), but also to a training "qso bot" as well

https://hamradio.solutions/vband/

https://qsobot.online/howto/