Gagguino - upgrading from gen2 to gen 3

 To go headless or not?

Headless module:

https://diy-efi.co.uk/product/gaggiuino-headless-gen3

https://gaggiuino.github.io/#/guides-stm32/mcu-flashing?id=releases

LED controller

https://gaggiuino.github.io/#/accessories/tofnled

Espresso hackers

https://www.youtube.com/watch?v=uZY4xWA4nDY