Hacked Gadgets Forum

August 6, 2010

RGB LED Blink Clock

at 5:06 am. Filed under Cool Gadgets, DIY Hacks, Electronic Hacks

rgb-led-blink-clock


Why do we have all of these redundant LED segments in the clocks around us. Just to show one digit of time we use 7 LEDs. If you are looking for a less is more solution to showing the time then you need to have a look at the Blinky Clock that John Boxall created. It is being run from a ATmega328 Microcontroller and a DS1307 Real Time Clock. This isn’t a clock that you can glance at to read the time but wouldn’t it be nice to point to it when your guest ask for the time.

“Using a minimal Arduino bootrom system, a DS1307 real time clock IC and an RGB diffused LED, we can make a clock that blinks the time, using the colours of the LED to note different numerical values. For example, if the time is 12:45, the clock will blink red 12 times, then show blue for a second (think of this as the colon on a digital clock) then blink four times in green (for forty minutes), then blink three times in red for the individual minutes. If there is a zero, blink blue quickly.”







 

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2 Responses to “RGB LED Blink Clock”

  1. LED DIY – How to Make a Blinky LED Clock! Says:

    […] via hackedgadgets, Project Page […]

  2. Electronics-Lab.com Blog » Blog Archive » RGB LED Blink Clock Says:

    […] Microcontroller and a DS1307 Real Time Clock. Check design files and schematics in the link below. [via] For example, if the time is 12:45, the clock will blink red 12 times, then show blue for a second […]

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