Because the real time clock module is so accurate, there’s no provision for setting the time. [Barzok] says that twice a year he just hooks the Arduino up and reflashes the program with a new ...

“Here is the Kraztech Real Time Clock (RTC) Module that uses the Microchip MCP7940. The Kraztech RTC Module is intended for the opensource Arduino platform but can easily be used with any ...

It’s hooked up to a DS3231 real-time clock module so it can keep accurate time ... gears that are each driven by a stepper motor and controlled with an Arduino Nano and a real-time clock module.

For playing the music, it uses the BY8001 MP3 Player module and for the alarm clock it uses the DS3231 Real Time Clock module. The home screen features a big clock, date and temperature ...

The ML6191, Oki Electric’s single-chip LSI for radio-controlled clocks, now has such software. Nagano Oki Electric, a wholly owned subsidiary of Oki E Nagano Oki launches real-time clock module ...