HP 48G - what next?

[mipa83]

Dear all,

I think a follower for the very exiting HP48G(X) will be an improved calculator with an HP48-keyboard layout.
My calculator is used daily - specially the software emulator on android: my phone is mostly with me while the calc rest on the desk.
I UPCYCLED an old broken HP48 with an Arduino to simulate a USB keyboard – to make it more comfortable to use the calculator at the desk/with my mobile phone S7 and to work always with latest stack. The keyboard is universal and can be used on several systems: tested so fare under Windows and a little under Android.
I would like to improve this keyboard and need some help.

Please let me know your concerns and ideas.

Best regards
Michael
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