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I turned my smart light into a Morse Code communicator with Home Assistant... because why not?

Ah, Home Assistant, a wonderful piece of software that has enabled me to automate all kinds of things in my home thanks to the countless integrations available for it. It can simply do it all, from ...
Hackaday

morse code

[Nick Touran] wanted to make two Raspberry Pi’s communicate wirelessly. There are lots of options, but [Nick] used a LASER and a photoresistor, along with Morse code. If you don’t find Morse code ...