Grbl_ESP32 with Bluetooth Serial Support

Here’s an interesting link - ‘Grbl_ESP32 with Bluetooth Serial Support’.

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Indeed. I was thinking also about this, but a bit different:
Run the g-code directly from the microprocessor, stream back feedback via Bluetooth.
I think the Bluetooth-part will be the easy thing for me. I’m still trying to figure out how timers and interrupts work on a ARM M3…