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
SwitchDoc Labs: Real-Time Clocks » Raspberry Pi Geek
Precision DS3231 RTC Real Time Clock Module for Raspberry Pi — PMD Way
DS3231 Real Time Clock Module with battery For Raspberry Pi - Mikroelectron MikroElectron is an online electronics store in Amman
Precision DS3231 RTC Real Time Clock Module for Raspberry Pi — PMD Way
Real Time Clock RTC DS3231 para Raspberry Pi - UsinaInfo
Precision DS3231 RTC Real Time Clock Module for Raspberry Pi — PMD Way
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
Raspberry Pi RTC Tutorial: Using DS1307 and DS3231 RTCs with Raspberry Pi - Latest Open Tech From Seeed
Canadian source for Raspberry Pi, Arduino, Micro:bit, DIY electronics, robotics, and educational products. Raspberry Pi approved distributor for
DS3231 Real Time Clock Module for Raspberry Pi
Raspberry Pi RTC Tutorial: Using DS1307 and DS3231 RTCs with Raspberry Pi - Latest Open Tech From Seeed
Raspberry Pi 3 : How To Adding a Real Time Clock (RTC) DS3231 on Rasbian Jessie
Real Time Clock DS3231 - Ideal para Raspberry Pi - AutoCore Robótica - Arduino em Fortaleza, você encontra aqui!
SwitchDoc Labs: Real-Time Clocks » Raspberry Pi Geek
The DS3231 is a low-cost, extremely accurate I2C realtime clock (RTC) with an integrated temperaturecompensated crystal oscillator (TCXO) and crystal.
DS3231 Real Time Clock Module for Raspberry Pi