RTC Clock Module Aokin PCF8563 PCF8563T 8563 IIC Board Buy Cheaply On Raspberry Pi Real Time Clock The RTC clock module has the characteristic of low power consumption, with 1 Hz and 32., 768 kHz output About this item RTC Clock Module DS3231 High Precision Real Time RTC Clock Module Memory Module for Raspberry Pi The RTC clock module is of complete clock calendar functions include seconds, minutes, hours, day, date, month and year timing , provide valid until the year 2100 leap year compensation The RTC clock module is of complete clock calendar functions include seconds, minutes, hours, day, date, month and year timing , provide valid until the year 2100 leap year compensation 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... The RTC clock module itself can be adapted to 3., 3 V and 5 V system, no level conversion, easy and convenient to use Buy DS3231 RTC Module - I2C Protocol - India to provide continuous timing battery backup , high speed (400 KHZ) the I2C serial bus