Added option for more physical buttons via I2C expander PCF8574 #27
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…5dial * currently there are 8 buttons
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First of all, thank you for your amazing Pendant FlidDial project – it's really well made!
I personally missed having more physical buttons, so I’ve modified the design to support multiple buttons.
Currently, there are 8 buttons connected via the PCF8574 I2C expander, which also allows for easy future extension by daisy-chaining more expanders.
The additional buttons are currently used for Multi Jog functionality.
Two out of the eight buttons are not yet assigned to any specific function, leaving room for further customization.