# Dual LED Type for SEQ

**URL:** https://forum.midibox.org/t/dual-led-type-for-seq/19456
**Category:** Parts Questions
**Created:** [February 11, 2016, 10:33pm UTC](https://forum.midibox.org/t/dual-led-type-for-seq/19456 "2016-02-11T22:33:09Z")
**Posts on this page:** 3
**Page:** 1

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### Author: ![Karg](https://forum.midibox.org/user_avatar/forum.midibox.org/karg/32/597_2.png) [@Karg](https://forum.midibox.org/u/Karg)
#### Post date: [February 11, 2016, 10:33pm UTC](https://forum.midibox.org/t/dual-led-type-for-seq/19456/1 "2016-02-11T22:33:09Z")

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Hello all,

I am about to finally build my MidiBox Seq, and I am wondering what kind of dual color LEDs to use for the SEQ CS board, common anode, or common cathode?

Thanks a lot in advance.

Best,

Karg

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### Author: ![Hawkeye](https://forum.midibox.org/user_avatar/forum.midibox.org/hawkeye/32/223_2.png) [@Hawkeye](https://forum.midibox.org/u/Hawkeye)
#### Post date: [February 12, 2016, 9:39am UTC](https://forum.midibox.org/t/dual-led-type-for-seq/19456/2 "2016-02-12T09:39:42Z")

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Hi there,

The bicolor LEDs are of “common cathode”-type, see here:

[http://www.midibox.org/dokuwiki/doku.php?id=wilba\_mb\_seq\_parts\_guide](http://www.midibox.org/dokuwiki/doku.php?id=wilba_mb_seq_parts_guide)

Many greets,

Peter

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### Author: ![Karg](https://forum.midibox.org/user_avatar/forum.midibox.org/karg/32/597_2.png) [@Karg](https://forum.midibox.org/u/Karg)
#### Post date: [February 14, 2016, 9:46am UTC](https://forum.midibox.org/t/dual-led-type-for-seq/19456/3 "2016-02-14T09:46:36Z")

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Great! I missed that detail…

Thanks, Peter!