The build relies on that old stalwart, the Arduino Uno, to run the show. 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.

The heart of the clock is the Arduino Uno, a versatile microcontroller known for its ease of use and flexibility. The Arduino Uno reads the time from a DS1302 real-time clock (RTC) module.

Powered by an Arduino, the clock uses an articulated arm with a UV LED to write out the current time on a piece of glow-in-the-dark material.

The most popular RTC for the Arduino is the DS1307. However, it does have some drawbacks, the most notable of which is that its operating voltage is 5v, which means it cannot be used with 3.3v ...

Arduino and Raspberry Pi alarm clocks are popular projects for makers at every level, so there’s a lot of them out there. This version with a focus on Sesame Street is worth a look though.

Below the 3D print of the moon the clock shows more traditional data thanks to a 0,96” OLED screen. It not only displays date and time, but also air moisture if you need to know of such things.

The Arduino binary clock shield has been made available via the Crowd Supply website with preorders starting from $33 and worldwide shipping available from $6, and commencing during August 2019.

The proposed hardware setup is very easy — just connect the CLOCK (Pin 5) of M62429 to D6 of Arduino while routing its DATA (Pin 4) to D7 of Arduino. M62429 can be powered by the 5-V regulated DC ...

Okay, I knew this would happen - one Arduino clock leads to another. Take a look at a clock that tells the time in terms of the first 192 digits of Pi, via a 32 x 8 LED matrix... Dubbed the Pi Day ...