RTC DS3231 module, real-time clock, I2C, for Raspberry Pi Pico, Waveshare 19426

Brand: Waveshare
Product Code: AN-18989
Availability: 4-6 business days
Planned delivery date after ordering: 2025-08-12

12.60€
Ex Tax: 10.41€

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Description Product Delivery

An expansion module for the Raspberry Pi Pico in the form of an RTC real-time clock. Featuring a DS3231 precision chip, it uses the I2C bus to communicate with the Raspberry Pi Pico. Its design allows you to add multiple peripherals that connect to each other on a stacked basis. The board has an additional holder for a CR1220 pastille battery. The RTC clock counts down seconds, minutes, hours, days, months, and years with leap year compensation valid until 2100. The time is displayed in two formats: 24-hour or 12-hour with AM/PM indicator. Additionally, it has two programmable alarms.

Specification:

Compatible with: Raspberry Pi Pico
RTC chip: DS3231
Real-time countdown: seconds, minutes, hours, days, months, and years (with leap year compensation valid until 2100)
Time format: 24-hour/12-hour with AM/PM indicator
Alarm: 2 programmable alarms
Operating voltage: 3,3 V
Alternative power source: CR1220 cell battery
Built-in holder for the additional battery: yes
Power consumption: 100 nA (during data backup)
Communication interface: I2C
Equipped with standard connectors to connect with Raspberry Pi Pico
Operating temperature: from -40 °C to 86 °C
External dimensions: 52 x 21 mm

Tags: rtc, ds3231, module, real-time, clock, i2c, for, raspberry, pico, waveshare, 19426

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