GitHub

eloom13/Arduino-LED-Matrix-Clock

Arduino Nano 3.0 (ATmega328). Real Time Clock DS3231RTC. 32x8 LED Dot Matrix Display Module (with MAX7219 chip). LDR sensor.
GitHub

P10 LED Matrix Clock with DS3231 RTC

P10 Pin → Arduino Pin nOE → D9 (Output Enable, active low) A → D6 (Row select A) B → D7 (Row select B) CLK → D13 (SPI Clock) SCLK → D8 (Shift clock) R_DATA → D11 (SPI MOSI) ...
Hackaday

Arduino Clock Jots Down The Time, In UV

We’re big fans of the impractical around here at Hackaday. Sure there’s a certain appeal to coming up with the most efficient method to accomplish your goal, the method that does exactly what it needs ...
EDN

Arduino Binary Clock Display

Binary Clock is a clock that displays the current time in binary or decimal using a LED display. It really does not serve much of a practical purpose, unless your goal is to display the time in a ...
Hackaday

The 200 LED Ring Clock

There are LED clocks, and then there are LED clocks that can blind you from 30 paces. [Stiggalicious’s] LED ring clock is of the latter variety. 200 WS2812B/Neopixel RGB LEDs drive the ring clock to ...
Inverse

Making a Digital Wooden Clock Spell the Time

It’s amazing what you can make with a blonk of acoustic guitar wood, a string of LED lights, and some basic coding knowledge. Surely someone with a healthy imagination could figure out various ways to ...