Simple numitron iv-9 desk clock using 4 shift registers, Arduino Uno (or equivalent) and ds3231 RTC clock According to documentation, the first iv-9 leg is common, second is indication dot. You need ...

An Arduino Real Time Clock library. This library makes using modules based on the DS1307 and DS3231 RTC really simple. It is compatible with and is meant to leverage the standard C time library ...

It is based on a simple DS3231 RTC timer, an ATMEGA328 Arduino chip, a small 5-volt relay to run the 5KW contactor which will eventually control the AC. Trigger to go further ...

In this tutorial we will make a Digital Clock by interfacing RTC module DS3231 with MSP430 and display the time and date on 16x2 LCD.

Macetech’s ChronoDot is a Real Time Clock module for projects requiring highly accurate time keeping and measurement. The ChronoDot uses the DS3231 chip, which features a TCXO to compensate f… ...

Posted in Arduino Hacks, clock hacks Tagged arduino nano, binary clock, dial-up music, driftwood, DS3231 RTC, IR remote, mp3 player ...

Teyleten Robot DS3231SN DS3231 Real Time Clock Module RTC Clock AT24C32 Without Battery for Arduino Raspberry (5PCS) , HiLetgo 5pcs DS3231 High Precision RTC Real Time Clock Module 5V for Arduino ...