[elecena] DS3231 High Precision RTC Clock Module for Raspberry Pi B - zmiany ceny DS3231 High Precision RTC Clock Module for Raspberry Pi B+ based on the DS3231, it is the foreign high precision clock module for Raspberry Pi B+ and Arduino DS3231 High Precision RTC Clock Module for Raspberry Pi B - 2.00 USD https://elecena.pl/product/6056998/ds3231-high-precision-rtc-clock-module-for-raspberry-pi-b 2016-05-07 DS3231 High Precision RTC Clock Module for Raspberry Pi B - 2.90 USD https://elecena.pl/product/6056998/ds3231-high-precision-rtc-clock-module-for-raspberry-pi-b 2025-12-17