The DS3231M is a low-cost, extremely accurate, I2C real-time clock (RTC). The device incorporates a battery input and maintains accurate timekeeping when main power to the device is interrupted. The ...
The DS1339A serial real-time clock (RTC) is a low-power clock/date device with two programmable time-of-day alarms and a programmable square-wave output. Address and data are transferred serially ...
Raspberry Pi enthusiasts may be interested in a new open source USB Raspberry Pi RTC offering a MCP2221 USB-I2C Converter, DS3231 High-Precision RTC Chip, TCXO, integrated temperature sensor as well ...
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