universal-solder.ca
RTC Real Time Clock DS3231, 32kB Memory, I2C, Battery Backup, Arduino Library
Real Time Clock Module (RTC) compatible to DS3231 with battery backup and 32kB I2C EEPROM for micro controller, Arduino, Raspberry etc. This RTC module with DS3231 compatible real time clock chip and additional 32kB EEPROM connects to micro controllers like Arduino or Raspberry Pi by a 2-wire I2C