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→ext_rtc : DS3231
=== ext_rtc : DS3231 ===
=== ext_rtc : DS3231 ===
The external RTC running on coin battery. So the clock always stays in time even on power outage.
The DS3231 is wired on the internal I2C bus.
=== onewire : OneWire ===
=== onewire : OneWire ===