1. Clock

    2.Text moving

    3.Gif animation

    4.Show  picture

    5.Sleep mode (Power saving mode, when left open for 3 minutes, turn off the screen.)

STEP1: Design and Build a prototype, try it out

1. Raspberry PICO ZERO



4.Batterry CR2032 x2

ST7789  1.14 "  Pinout

Test ST7789 

Now  software

STEP2: Circuit and PCB

Test results : 

      from the experiment can be used for more than 1 week, depending on the frequency of looking at the clock.

STEP 3: Assembly PCB

still use the service of PCBWAY as before

PCBWAY continues to maintain the same standard of operation. Fast, accurate, clear work and fast delivery. Still as impressed

NEW UPDATE 2023/9/10

Update the old Neck Watch to be rechargeable when the battery runs out and work continuously without interruption.


-Neck watch


-battery Charger




You can contact

E-mail: mhooyang@gmail.com

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