# Clock Module, RTC, PCF8563

> RTC clock module based on the PCF8563 chip, with low power consumption and I2C communication. It can be powered at 3.3V or 5V and includes a backup battery to keep time and date. It has a compact size, suitable for integration in Arduino, Raspberry Pi and automation projects. It is presented as an upgrade over the classic DS3231 or DS1307 modules.

- Page: https://sigmanortec.ro/en/clock-module-rtc-pcf8563
- Price: 5.82 RON
- Availability: In stock; 1-2 zile
- Reference: 33580 · EAN: 5943725493779
- Category: Mechatronics and IoT > Sensors and Modules > Clock Module
- Package (shipping data): 0.006 kg
- Updated: 2026-09-14
- Shop: [Sigmanortec.ro](https://sigmanortec.ro/en/llms.txt)
- Prices: RON, VAT included; prices and stock as of 2026-10-22 01:32 (Europe/Bucharest)

## Description

Keeps time and date with low power consumption, ideal for Arduino, Raspberry Pi and automation projects. PCF8563 offers simple I2C communication, 3.3V or 5V power supply with back-up battery, good stability compared to classic DS1307 modules, compact dimensions for easy integration into assemblies.
Clock module that represents an upgrade over the classic DS3231 or DS1307.