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XTS PB-700 - hp41cx - 03-11-2023 09:41 PM
XTS-PB700
RE: XTS PB-700 - EdS2 - 03-12-2023 07:37 AM
From the project description:
Quote:From January, I received a non-working CASIO PB-700 unit,
I decided to rebrain it with modern MCU, bigger & lighted screen.
I wanted from a long time my own homebrewed Programmer CALC,
Programmable, Easy number-base deal, Enough ground storage & RAM.
I adapted again a pretty old BASIC interpreter (with pre-allocated RAM) for Arduinos,
Wired 2x screens (one as status display the other for main display),
Kept the buzzer,
Decoded the keyboard interface.
The whole is powered by a Rpi 2040 (pico).
I'm still working on the core BASIC / software part...