Gravity: I2C SD2405 RTC Module
I2C real-time clock module using SD2405 with dual power supply and low power consumption. Features periodic interrupt output and a high-precision time trimming circuit.
RTC & timing
26 other optionsDS3231/DS3232 temperature-compensated RTCs, the budget PCF8523 and DS1307, the Si5351A clock generator (8kHz–160MHz), and bare 16MHz crystals — matched to drift tolerance and supply voltage.
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