justDIY Project Log

Thoughts, ideas, projects, pictures.
 
 
 

Some space to write down what I was thinking about when I designed or photographed something.

Archive for the 'LEDs' Category

LED Sign has a purpose!

Tuesday, May 29th, 2007

The single character LED sign I had been playing with now has a purpose! Shortly after discarding several ideas of having it as a serial display for PC/Server status, or hooking it up to the internet and a webcam, I came up with an actual useful purpose. The sign can be a clock! [...]

Popularity: 42% [?]

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POV Toy

Tuesday, May 22nd, 2007

I recently had the urge to create some “eye candy”; Thinking along the lines of my LED Sign (it’s not dead, just waiting on parts!), I chose to create a similar effect, using only a single line of leds, instead of a 5×7 array.
Persistence of Vision is some sort of effect, either psychological or biological [...]

Popularity: 24% [?]

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LED Sign; Now With Scrolling!

Friday, April 13th, 2007

This morning I hammered out a quick and dirty method to scroll a message on my single character LED sign. The scrolling is based around a few subroutines. A text message of 12 characters is passed to the scroll subroutine, along with the number of loops to make. The scrolling routine breaks [...]

Popularity: 18% [?]

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