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Solid State Tank - Eink wrist watch

Eink wrist watch with custom segmented eink display and sub 500nA consumption in a tank style.

augustoAugusto
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eink WAtch lowpower wristwatch

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This project was created on 01/19/2024 and last updated 2 years ago.

Description

Solid State Tank is an Eink wrist watch inspired by CW&T solid state watch. The watch uses a custom made segmented eink display with half scale DSKY digits. The consumption is sub 500nA at 3V and the system is powered by a CR1616. The whole watch is encased in clear epoxy. Detailed writeups of the build: https://www.0xam.com/blog/solid-state-tank-part-1-eink-watch-sub-500na3v https://www.0xam.com/blog/solid-state-tank-part-2-assembling-the-watch

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robomaniac wrote 01/31/2024 at 22:54 • point

Nice work, I saw more details here
https://www.0xam.com/blog/solid-state-tank-part-1-eink-watch-sub-500na3v

  Are you sure? yes | no

Augusto wrote 01/31/2024 at 17:06 • point

Hi!, Thanks for the comment. I delaminated one e-reader screen (you have to buy old models as newer ones don't delaminate) and then laminated the eink portion to the PCB using heat and UV curable clear epoxy to seal the edges.
More info here: https://www.0xam.com/blog/diy-e-ink-part-1-delaminating-the-screen and https://www.0xam.com/blog/diy-e-ink-part-2-testing-the-screen

  Are you sure? yes | no

David Plass wrote 01/31/2024 at 17:01 • point

Love the DSKY digits! But how'd you make a custom eink display?

  Are you sure? yes | no

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