Not sure how relevant, but I created an RPN calculator using Dalibor’s
tubes. Great little project. Link below:

https://mahdial-husseini.com/AOITA


On Fri, Oct 30, 2020 at 12:18 PM Michail Wilson <m...@michail.com> wrote:

> I am thinking of a project to control a calculator.
>
>
>
> I have seen people pull tubes from old calculators to make clocks, etc,
> but I would like to put in an interface to make a clock which is controlled
> by a circuit added.
>
>
>
> Example…. Clear display and then ‘type’ in the numbers for the time.   Or
> simply hitting +1= after each second.
>
>
>
> Has anyone done something similar?
>
>
>
> Oh, and to be able to keep calc still usable as a calc with, for example,
> a single added switch.
>
>
>
>
>
> Michail Wilson
>
> 206-920-6312
>
>
>
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