DS3231 RTC Module Real Time Clock HAT for RasPi RPI Raspberry Pi PICO 2 W 2W PICO2 RP2350 Projects Expansion Board Accessories
SPECIFICATIONS
Battery Included: no
Brand Name: Waveshare
High-concerned chemical: none
Model Number: pico2w w breakout pre soldered case coding shield kit Accessories
Origin: Mainland China
Typical Application Fields: Consumer Electronics
PACKAGE CONTENT:( NOT include Raspberry Pi Pico.)
WIKI English manual:
www.waveshare.com/wiki/Pico-RTC-DS3231
Pico-RTC-DS3231 x1
Incorporates High Precision RTC Chip DS3231

The Pico-RTC-DS3231 is a RTC expansion module specialized for Raspberry Pi Pico. It incorporates high precision RTC chip DS3231 and uses I2C bus for communication. More external sensors are allowed to be connected thanks to the stackable design.
Standard Raspberry Pi Pico header, supports Raspberry Pi Pico series
-
Onboard high precision RTC chip DS3231, with backup battery holder
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
2x programable alarm clock
WIKI English manua (Raspberry Pi Pico C/C++ and MicroPython examples)
OPERATING VOLTAGE |
3.3V |
BACKUP BATTERY VOLTAGE |
2.3V ~ 5.5V |
OPERATING TEMPERATURE |
-40°C ~ +85°C |
POWER CONSUMPTION |
100nA (sustains data and clock information) |
Onboard Female Pin Header For Direct Attaching To Raspberry Pi Pico
Stackable Design


DS3231
high precision RTC chip, I2C busRTC backup battery
supports CR1220 button cellPower indicator
enabled by soldering a 0Ω resistor on the jumper, disabled by defaultRaspberry Pi Pico header
for attaching to Raspberry Pi Pico, stackable design


- Standard Shipping: Standard Shipping (12–18 Business Days)
- Express Shipping: Expedited Shipping (5–9 Business Days)
- Free Shipping: Orders over $199 qualify automatically
- Tracking: Full tracking number provided for all orders
- Returns: 30-day hassle-free return window
- Condition: Items must be unused and in original packaging
- Refund: Full refund processed within 3-5 business days
- Factory Direct: ISO/TS 16949 certified manufacturer
- Quality: 100% electrical continuity tested before shipment
- Experience: 15+ years in automotive connector industry
- Support: Professional technical support available
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