Adafruit: 3295 PCF8523 Real Time Clock Assembled Breakout Board

3295 Adafruit PCF 8523 Real Time Clock Assembled Breakout Boards

The PCF8523 Real Time Clock (RTC) assembled breakout board is a module that provides accurate timekeeping and date functionality for a variety of applications. The PCF8523 is a low-power, highly accurate RTC with an I²C interface, suitable for use in data logging, time-stamping, and scheduling tasks in embedded systems. Here's a brief overview of its features and applications:

Features

• RTC Chip: PCF8523
• Interface: I²C (Inter-Integrated Circuit)
• Power Supply: Typically operates at 3.3V, with support for battery backup to maintain timekeeping during power outages.
• Battery Backup: Often includes a coin cell battery holder for backup power.
• Clock Functions: Provides time (hours, minutes, seconds) and date (day, month, year) information.