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
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.
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