Category Archives: Scrolling LED

Major progress on LED display

Posted on March 30, 2012 by Jim

After another evening at W88, there’s some good progress on the display.  First, there are four boards running in the display that I didn’t have to make!  I did etch them, but Bill and Karl ground them down to size … Continue reading →

Posted in Scrolling LED, Workshop 88 Stuff | 1 Comment

6 more latch boards for scrolling LED display

Posted on March 21, 2012 by Jim

We have 6 more (working!) boards in the display.  The goals were to see whether it looked good enough to continue the project and to get scrolling code working a little better.  Made only partial progress on both. I tested … Continue reading →

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Eric fixed the bad board!

Posted on March 9, 2012 by Jim

At the space Thursday evening 3/8 I hauled the display out to see if I could address what looked like lack of +5 to the 4th latch board from left.  I reheated the +5V bus to that board, but the … Continue reading →

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First 6 latch boards for scrolling LED display

Posted on February 16, 2012 by Jim

Jim Harvey and I got together at the space 2/16 to test and install the first 6 columns’ worth of latch boards.  First step was to test them.  That was a very good idea, since there were some bad traces … Continue reading →

Posted in Scrolling LED, Workshop 88 Stuff | 11 Comments

Scrolling LED Display

Posted on June 29, 2011 by Jim

Russ’ post of a link to a one-wire serial-parallel latch to drive 16 LEDs from one pin on a micro reminded me I had an old LED display we might rebuild into something useful.  It was from work maybe 25 … Continue reading →

Posted in Scrolling LED, Workshop 88 Stuff | 1 Comment