Adafruit PiRTC - Precise DS3231 Real Time Clock for Raspberry Pi

The Adafruit DS3231 Real-Time Clock (RTC) is a highly accurate, battery-backed RTC that ensures your Raspberry Pi project can keep track of time even when power is lost. Perfect for applications like data logging, clock-building, time-stamping, timers, and alarms, it is compatible with all Raspberry Pi models and comes with native kernel support.

Key Features:

• Extremely Accurate: Utilizes a genuine Maxim DS3231 chip, ensuring precision in timekeeping with integrated temperature compensation.
• Built-in Temperature Sensor: Automatically adjusts the clock to maintain accurate time despite temperature variations.
• No Soldering Required: Comes fully assembled and tested, with a PCB that plugs directly into your Raspberry Pi's GPIO pins.
• Long Battery Life: Capable of keeping time for 5 years or more with a coin cell battery (CR1220 battery not included).
• Works with All Raspberry Pi Models: Fully compatible with Pi 1, Pi 2, Pi 3, Pi 4, Pi Zero, A+, B+, and similar single-board Linux computers.
• Precise and Reliable: Unlike cheap alternatives, this genuine DS3231 is calibrated for superior timekeeping accuracy.

Note: The product does not include the CR1220 coin cell battery, but it can be easily added to maintain timekeeping.

Whether you're building a time-sensitive project or simply need to track data with accuracy, this RTC is the perfect solution for your Raspberry Pi setup.

Technical Details:

Product Dimensions: 21.3mm x 20.0mm x 13.6mm / 0.8" x 0.8" x 0.5"

Product Weight: 2.7g / 0.1oz