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An ATtiny85 and a 64×48 OLED display hand clock:
This is the third in my series of minimalist watches based on the ATtiny85. This version displays the time by drawing an analogue watch face on a miniature 64×48 OLED display. It uses a separate crystal-controlled low-power RTC chip to keep time to within a few seconds a month, and puts the processor and display to sleep when not showing the time to give a battery life of over a year.
ATtiny85 Tiny OLED Watch – [Link]
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