The build consists of a Raspberry Pi Pico that connects to a DS3231 real time clock (RTC ... times from a coin cell battery attached to the module, allowing it to keep time when the module ...

It’s hooked up to a DS3231 real-time clock module so it can keep accurate time for long periods, as is befitting a clock. Displaying the time is done via the use of two analog meters ...

Raspberry Pi enthusiasts may be interested in a new open source USB Raspberry Pi RTC offering a MCP2221 USB-I2C Converter, DS3231 High ... an accurate I2C real-time clock (RTC) with an integrated ...

Developers, makers and hobbyists looking for a real time clock module complete with an Arduino library, may be interested in the Kraztech Real Time Clock Module created by developer Christopher ...