Description
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Core Chip: Utilizes DS3231 IC – a highly accurate, temperature-compensated real-time clock.
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Operating Voltage: 3.3V to 5V DC – compatible with Arduino, Raspberry Pi, ESP32, and other microcontrollers.
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Timekeeping Accuracy: ±2 minutes per year thanks to onboard temperature compensation.
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Battery Backup: Includes a CR2032 coin cell battery holder for maintaining time during power outages.
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Communication Interface: I2C interface with standard 7-bit address 0x68 for easy microcontroller integration.
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Features:
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Tracks seconds, minutes, hours, day, date, month, and year with leap year compensation.
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Programmable square-wave output.
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Alarm function with interrupt output.
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Compact Design: Small PCB with onboard crystal and battery holder.