Text Scroller using AT89C2051

With lots of spare LEDs and time, following project may be interesting: Text scroller with 70 LEDs.
Tip: Using two 5x7 dot matrix modues is simpler and much easier to solder.

Schematics of the scroller

Download of the projekt. Contains schematics (Eagle 4.x) and the program as BIN and HEX. laufl1.zip

Stephan Herkt has optimized and built the text scroller. He emailed me pictures and the changed schematics. Schematics as ZIP file

  © Robert Rottmerhusen 2010  ♦  Update: 2010-01-24  ♦  feedback☺rottmerhusen.com up English Deutsch