DS3231 I2C Real-time Clock (RTC) Module

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This DS3231 module is a low-cost, extremely accurate I2C real-time clock (RTC), with an integrated temperature-compensated crystal oscillator (TCXO) and crystal. The device incorpo rates a battery input: disconnect the main power supply and it maintains accurate timekeeping. Notes Operating voltage :3.3 - 5 .5 V The default I2C address is 0x57. Use a LIR2032 coin cell battery to keep time even when your project is turned off. Show more