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. ... Posted in clock hacks Tagged arduino, clock, real time clock.

DS3231 RTC 11 Articles . ... Under the wood, there are a pair of Arduino Nanos, an mp3 decoder board, and an RTC module. Why two Nanos, you ask? Well, the IR interrupts kept, uh, ...

Underneath each one is a strand of fiber optic filament powered by an Arduino Nano development board which controls the colors of the clock and a DS3231 RTC module to manage time.

Although ready-made real-time clock (RTC) ... Here is the circuit diagram of a compact RTC module, based on the popular RTC IC DS1307, ... when it comes to Arduino. Here is a really simple tutorial ...

“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 ...