Eink-word-clock-watch: Difference between revisions

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# E-ink word clock watch
== E-ink word clock watch ==


This is a research page for my project to make a watch with an e-ink screen displaying word clock.
This is a research page for my project to make a watch with an e-ink screen displaying word clock.

Revision as of 21:17, 13 April 2019

E-ink word clock watch

This is a research page for my project to make a watch with an e-ink screen displaying word clock.

Requirements:

  • Refresh e-ink screen (ie. update word clock) every ~ 3 minutes
  • Be able to set the time or sync it via WiFi/Radio?
  • Capable or running for > one month

Interfaces:

  • SPI
  • Serial for debugging / flashing?

Parts:

  • e-eink module Requiring 3.3 V, SPI and has refresh power req. of 26.4 mW with standby power of < 0.0 17 mW
  • Coin cell** / lithium battery small enough? (if powerful enough)