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
Raspberry Pi 3 : How To Adding a Real Time Clock (RTC) DS3231 on Rasbian Jessie
Real Time Clock Module, 4 Pcs Set DS3231 High Precision RTC Clock Module Real Time Memory Module RTC Hwclock for Raspberry Pi with Battery : : Electronics
DS3231 Real Time Clock RTC Module For Raspberry Pi x Cl precision B1X1
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
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
DS3231 RTC Module for Raspberry Pi
Real Time Clock DS3231 - Ideal para Raspberry Pi - AutoCore Robótica - Arduino em Fortaleza, você encontra aqui!
DS3231 Real Time Clock Module for Raspberry Pi
Adding a Real Time Clock to Raspberry Pi(DS3231)⋆ EmbeTronicX
Learn interfacing DS3231 Real Time Clock in Raspberry Pi - Iotguider
MakerFocus DS3231 RTC Module Raspberry pi Real Time Clock Module with
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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
