ZS-042 RTC Module (DS3231 + AT24C32)

Key Features

• High-accuracy DS3231 RTC with temperature compensation
• Built-in AT24C32 EEPROM for additional data storage
• Maintains time during power loss using CR2032 battery
• I2C communication interface for easy integration
• Time accuracy within ±2ppm (≈1 minute/year)

Technical Specifications

• Clock Chip: DS3231
• EEPROM: AT24C32 (32Kb)
• Interface: I2C (SCL, SDA)
• Operating Voltage: 3.3V / 5V
• Backup Battery: CR2032 (not always included)
• Memory: 32Kb EEPROM for user data
• Dimensions: Standard ZS-042 form factor

Applications

• Data loggers and time-stamped records
• Smart clocks and automation systems
• Alarms, timers, and scheduling systems
• Attendance and security devices
• Long-running embedded systems

Package Includes

• 1 × ZS-042 RTC Module (DS3231 + AT24C32)