Using a backup-battery DS3231 RealTimeClock module, through an Arduino Uno the current time is displayed onto a SSD1306 OLED together with local temperature value, even with it’s not being powered up by any host system.
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Using a backup-battery DS3231 RealTimeClock module, through an Arduino Uno the current time is displayed onto a SSD1306 OLED together with local temperature value, even with it’s not being powered up by any host system.
End Of Post