Adafruit PCF8523 RTC Breakout Board (Assembled)

This battery-backed real-time clock module keeps accurate time for Arduino projects even during power loss or reprogramming. Perfect for first-year engineering students building data loggers, alarms, or time-stamped sensors.

PCF8523 chip works with 3.3V or 5V logic/power supplies. I2C interface connects easily to microcontrollers. CR1220 coin cell backup maintains seconds/minutes/alarms. Includes crystal and headers for breadboard use.

Note: Product size and dimensions may vary slightly.

Disclaimer: The images shown are for illustration purposes only and may not be an exact match. Product size and color can vary.