Se você possui um projeto com a Raspberry em que se faz necessário manter as informações de data e hora atualizadas, ainda que a Raspberry esteja desligada e com baixo consumo de energia, esse módulo era o que você procurava. - AutoCore Robótica Conf
DS3231 Real Time Clock Module for Raspberry Pi
DS3231 RTC Module for Raspberry Pi
DescriptionA very compact real-time clock (RTC) module is based on the high accuracy DS3231 IC and includes a rechargeable battery backup. This module
DS3231 Real Time Clock RTC Module for Raspberry Pi
Raspberry Pi Highest Precision Clock Module DS3231
Real Time Clock DS3231 - Ideal para Raspberry Pi - AutoCore Robótica - Arduino em Fortaleza, você encontra aqui!
Cooler 5V 30x30mm Ideal para Raspberry Pi - AutoCore Robótica - Arduino em Fortaleza, você encontra aqui!
Description: For Raspberry Pi DS3231 is high precision clock module. It can also be used on Arduino motherboard. The module itself can be adapted to
DS3231 Clock Module for Arduino Raspberry Pi RTC Board Real Time Clock Module for Arduino Raspberry Pi
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Real Time Clock Module, 4 Pcs Set DS3231 High Precision RTC Clock Module Real Time Memory Module RTC Hwclock for Raspberry Pi with Battery
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Precision DS3231 RTC Real Time Clock Module for Raspberry Pi — PMD Way
Módulo Real Time Clock RTC I2C PCF8563T - AutoCore Robótica - Arduino em Fortaleza, você encontra aqui!
Real Time Clock RTC DS3231 para Raspberry Pi - UsinaInfo
MakerFocus DS3231 RTC Module Raspberry pi Real Time Clock Module with
Raspberry Pi RTC Tutorial: Using DS1307 and DS3231 RTCs with Raspberry Pi - Latest Open Tech From Seeed
Real Time Clock DS3231 - Ideal para Raspberry Pi - AutoCore Robótica - Arduino em Fortaleza, você encontra aqui!