In this article you will learn how to make a digital clock using Arduino and the DS1307 RTC IC. What is DS1307 IC actually? Well, it is a Real Time Clock ...

Instead, Make shows you how to build an internet-connected alarm clock using an Arduino and Google. All you'll need is an Arduino Yúnm a touch screen, a USB speaker, and a few cables.

If you want to make your own, Instructables user Paranoid Legend shows you how to build one with an Arduino. The alarm clock is made using a Arduino Mini and a TFT screen.

Using an Arduino Nano microcontroller together with addressable RGB LEDs, the tabletop version of the wall-mounted original Domino clock offers a great way to learn more about controlling LEDs ...

Using an Arduino and a 16×2 LCD matrix he created a simple clock program with the ability to show different time zones. The way you select them is very clever.

Be sure to select “ATmega328 on a breadboard (8 MHz internal clock)” when burning the bootloader. If you select the wrong item and configure the microcontroller to use an external clock, it won’t work ...