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, each ...

“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 ...

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 ...

Using an Arduino Mega, DS3231 Real Time Clock Module, Eight stepper motors 28BYJ-48 with ULN2003 Driver, 82 cm Wooden strip 19x19mm, Steel Wire 1m, 46 Washer head screw 4.2 x 14 mm, 16 Button head ...

Build Your Own Arduino-Based Laser Clock with a Salad Bowl, Laser Pointers, and Some Spare Time. Alan Henry. March 5, 2012 ... the Arduino can be made to keep its own time, ...