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[E1][T] Tightrope / Abacus Inspired Concept?

A project log for Tetrinsic [gd0041]

A continuous, motorised fader that is force sensitive and haptic.

kelvinakelvinA 08/09/2023 at 11:520 Comments

So, unfortunately, with the expected size of Tetrinsic, it's looking like a possible Tetent solution would be very similiar in dimensions to an AirBerry (my Let's Split keyboard), just rotated 90 degrees such that it's 6 rows, 4 columns instead of the other way around. I was imagining something like this:

It's... fine... simple yet modern... but it's not exactly the kind of device I hoped to get out of 19 months of R+D work.

However, just after writing about the linear motor research in the previous log, I thought of what a new Tetent could look like with one and thought of sometihng similar to this:

But then I remembered that a) the ball-chain of the current Tetrinsic runs on a stainless stainless steel tube, b) that tube is probably stiff and c) that a good part of the proposed Tetrinsic is empty space on the bottom half. Thus, why not turn the concept up-side down and bring back some level of future-modern, Apple-esque aesthetic that I'd expect to see on Yanko Design?

The most notable benefit of this is that a larger, single display could be used. However, as a larger screen means more pixels to drive, I'll most likely be sticking with the 2x 1.14" LCDs. Additionally, the only OLED I could find, the 3.8" one I was planning to use for #Tetent TimerSpy [gd0136], actually has poor black levels in ambient light. I can clearly see the difference between "black" on the OLED and the black bezels from this video

Another notable mention is that this extends to any material, such as a photovoltaic cell or a porcelain tile. Lastly, a benefit is that the pressure plates won't be right next to each other, meaning that I could actually have the Tetrinsics closer without worrying about manufacturing tolerances.

The next Tetent concept is currently a work in progress, but this sketch (which is one half) should give an idea as to the strategy I want to try. For starters, I'm thinking that the squiggly bit is where I could have a fancy design on the outside. Behind that, on the inside, it's where the load cell, battery and top screen would be. The square (highlighted below) is where the memory LCD would go, and the motors behind it. 

Hopefully, this strategy makes the resulting Tetent designs look more futuristic, even if I might not be able to make Tetrinsic as thin as I'd like.

The 3D of the above looks like this, though I'll post updates on the overall design in the Tetent project:

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