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• #2
I actually did this a while back - and you can use it for both RX and TX: http://forum.espruino.com/conversations/257732/
I wasn't the first though - seems like the idea has been around for a while. You can do it with virtually no external components as well - no need for FETs and stuff like that.
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• #3
But yes, it's a good idea. I've been really tempted to try and do a cheap educational board that uses it.
Being able to program a device from something like blocky on a phone would be awesome
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• #4
Thanks for that link - very cool stuff!
I don't know if this of interest or properly relevant - but at least you get to decide ;)
Applications?
I'm guessing.. but here for info.
https://sudoroom.org/serial-over-webaudio/