Arduino Pro (Zero) compatibility and Advantages

Dear All,

I am playing with Arduino Pro now and I was wondering, as a solution to the 8bit issue with Delta Maths, has anyone tried Arduino pro with existing firmware and dies it make a difference? Or would adaptations need to be made?

Unless someone has already done it, you would need to adapt existing firmware to cope with the different hardware configuration. One option would be to start from Marlin4Due. Another would be to start from RepRapFirmware and strip out the webserver and Ethernet code. I'm not sufficiently familiar with Repetier, Sailfish or Teacup to know whether there are 32-bit ports of those.

Does the Zero have enough I/O pins?

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Large delta printer [miscsolutions.wordpress.com], E3D tool changer, Robotdigg SCARA printer, Crane Quad and Ormerod

Disclosure: I design Duet electronics and work on RepRapFirmware, [duet3d.com].

It has 20 I/O pins just different Analog / PWM set up. Other sketches still run on it as before, but I'm not sure what the performance difference would be without writing specifically for it....