DS3231 High Precision RTC Clock Module

Key Features

• High-accuracy DS3231 RTC chip
• Battery backup retains time during power failure
• Supports I²C communication interface
• Built-in temperature-compensated crystal oscillator
• Provides real-time clock and calendar functions

Technical Specifications

• Operating Voltage: 3.3V – 5V
• Interface: I²C (SDA, SCL)
• Time Format: 24-hour / 12-hour with AM/PM
• Accuracy: ±2ppm (approx. ±1 minute/year)
• Backup Battery: CR2032 cell (included or optional based on variant)

Applications

• Clocks and time-based automation
• Data logging and timestamping
• Alarms and scheduling systems
• IoT devices and monitoring systems
• Embedded and robotics projects

Package Includes

• 1 × DS3231 High Precision RTC Clock Module