# BLM 8x16 Project - DOUT LED Advice Needed

**URL:** <https://forum.midibox.org/t/blm-8x16-project-dout-led-advice-needed/18708>\
**Category:** MIDIbox BLM\
**Created:** [November 22, 2014, 8:54pm UTC](https://forum.midibox.org/t/blm-8x16-project-dout-led-advice-needed/18708 "2014-11-22T20:54:02Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![Rowan](https://forum.midibox.org/user_avatar/forum.midibox.org/rowan/32/18_2.png) [@Rowan](https://forum.midibox.org/u/Rowan)\
**Post date:** [November 22, 2014, 8:54pm UTC](https://forum.midibox.org/t/blm-8x16-project-dout-led-advice-needed/18708/1 "2014-11-22T20:54:02Z")

</div>

I’ve built the DIN side of a 8x16 BLM and it’s working great but I’m at a bit of a dead end on the DOUT side for the LED’s.

&nbsp;

What I’m looking for is a schematic for single colour LED’s in a 8x8 matrix configuration for the MIDIO128 App.

&nbsp;

Any advice?

 ![post-3551-0-32058200-1416689073.jpg](https://forum.midibox.org/uploads/default/original/2X/a/a4616038e07d399218a91e0a16802fe3655736fc.jpeg)

 ![post-3551-0-65423200-1416689086.jpg](https://forum.midibox.org/uploads/default/original/2X/a/af4f8ec241ab78ea59d1d0599a700b1ad2b230a3.jpeg)