HP Forums

Hello, everyone

Today I introduce the project Teenix multi clac plus. Which is under development yet.

You can have a look at below picture.

[attachment=10492]

The variant hardware:

1 Fluorescent tube display 13 digits ( while the original multi calc use 15 digits LED)
2 The keyboard use cherry mx mechanical shaft

The display effect demonstration:

[attachment=10493]

Hi, All

I updated the progress of this project.

Now we can see the running status of this calculator.

Although there is a lot work to be done to improve.

[attachment=10759]

Can it run Free42?

First!

Very nice project! Very similar to my version, the prototype is still working, but I never managed to get it reliable, the ftdi chip kept dieing, I think it is the supply for the tubes that causes this, but I never got quite to the bottom of the problem. There is too much other stuff going on in my life so I kind of dropped the project.
Hope you have better luck with it! Looks very good so far!

[attachment=10761]

(06-04-2022 06:49 AM)tangdfx Wrote: [ -> ]Now we can see the running status of this calculator.

Very nice! Is this 13 digit display easy to get? What voltages does it need?

Hi

The VFD is iv27 from soviet union.

The drive voltage is 28V.

Thanks!

Hi，all

The keyboard updated.

First version with handwritten.

Next version will be printed.

[attachment=10766]