Cellular automata and LED matrix fun

Blinkomat, an LED matrix, turned out quite well. 240 LEDs controlled by an Atmega 16 is what we call a decent bookshelf decoration. The dimensions of 12×20 were chosen due to the fact that the microcontroller has 32 I/O lines.  The LEDs are switched on and off using multiplexing. The brightness, controlled by pulse width modulation can be varied by 16 levels.  The overall effect is quite smooth an fun to look at.  He has programmed it to do other things than just cellular automata.  Our personal favorite is a simple sine wave. Watch it after the break.

Last week, we covered a smaller, but equally cool automata simulator using charlieplexing.

Comments

  1. J says:

    Mommy?

    What’s an OGGZ?

    (seriously? wtf?)

  2. J says:

    P.S.

    Is that thing a one trick pony?

    It’d be cool if it could put out text as well.

    Perhaps use it as a bad ass clock that turns into a visualizer on cue?

  3. stuart says:

    there is nothing that is controlled by a programmable micro that is a “one trick pony”

  4. pokey says:

    @stuart: Unless that micro is OTP

  5. captain obvious says:

    @j
    what are you talking about? if you read the article, you’d see that it does output text.

  6. ug says:

    Hey, e-mail confirmation added back please. I don’t comment much but I’d love if the < intelligent comments get reduced again (IE: j)

  7. rasz says:

    nice, now build 299 more of those and you will have nice screen

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