This SD2405 library provides a interface to read and write the date and time to and from the I2C SD2405 RTC device and compatibles (SD2405AL). Furthermore one can set alarms in many formats. An unique ...

The DS3234 is a low-cost, extremely accurate SPI bus real-time clock (RTC) with an integrated temperature-compensated crystal oscillator (TCXO) and crystal. At Soldered, we design and manufacture a ...