Raspberry Pi Pico header supports Raspberry Pi Pico series. Onboard high precision RTC chip DS3231, with backup battery holder and Real-Time Clock Counts Seconds, Minutes, Hours, Date of the Month, Month, Day of the Week, and Year with Leap-Year Compensation Valid Up to 2100. Optional format: 24-hour OR 12-hour with an AM/PM indicator.

1. DS3231: high precision RTC chip, I2C bus
2. RTC backup battery: supports CR1220 button cell
3. Power indicator: enabled by soldering a 0Ω resistor on the jumper, disabled by default
4. Raspberry Pi Pico header: for attaching to Raspberry Pi Pico, stackable design

Package list:

 1* Raspberry Pi Pico RTC Module