E16 Controller Drives 16 Strings of 8-bit RGB LEDs

To simplify testing the E16 controllers, we made a simple 42 x 16  grid of holes on 2″ centers.  Backing material is a 4′ x 8′ sheet of double-thick cardboard.  The 16 strings of RGB nodes easily fit in the holes.

After configuring a Madrix patch to output four consecutive universes of Art-Net data, I grabbed this quick video clip.

The rainbow pattern runs at about 40% intensity, to avoid over-exposing the poor camera even more.

The E16 also features a Test Mode, which drives the strings with different patterns.  No ethernet connection is required.  This makes it easy to confirm basic system operation.  String #1 displays 1 red, 1 green, 1 blue and 1 white LED.  String 2 displays 2 red, 2 green, 2 blue and 2 white LEDs, etc.

E16 Test Mode - String ID Pattern

After about 10 seconds, the test mode switches to a ‘walking stripe’ pattern, where each entire string is driven in alternating red, green, blue and white colors.  On a 1 second tick, the pattern shifts from string to string.  Thus, it’s easy to confirm operation of each color on each node.

'Walking String' test pattern.

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