~~META:
description abstract = giant display, updatable via twitter
~~
===== Giant Display  =====

A window sized LED display can have many uses.

  * Conway's Game of Life Simulation
  * Twitter Ticker, message @sbutwits to be viewed by the campus community
  * Reverse shadow puppets - use a webcam to light up whatever people are doing behind the board
===== Equipment =====

^Item      ^Price   ^Qty  ^Total ^Haz?  ^
|Lumex LED |  $1.75 | 625 | 1100 | Nein |
|Peggy2LE  | $75.00 |   1 |   75 | Ya!  |

===== Issues =====

Isolate high power LEDs from the peggy2 circuit

===== LEDs =====

We are going to have to test how many lumens we need in a ping pong ball to be visible in daylight.

  * [[http://docs.google.com/viewer?url=http://www.philipslumileds.com/pdfs/DS64.pdf&pli=1|Luminex 1W 90lm]]



{{tag>projects electronics social}}