Power for the LED's is provided by the pacdrive.
Basically I chain all the LED's together with a single source for the power that comes from the pacdrive and then you have the on / off signal come from the other terminals.
Perhaps the best way to show it is look at the keyboard building guide I did. That shows how to make one end to end ( pre-cabinet ), but I used the same method in the cabinet.
Here's the thread...
http://www.desertisl...mfme-keyboard/
The guide is here...
http://www.desertisl...-mfme-keyboard/
...or...
MFME_Keyboard_V1.00.pdf 5.15MB
5 downloads
Page 8 is going to show what it physically looks like with regards to the LEDs.
What you see there was the prototype to this...
1.jpg 146.81KB
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2.jpg 160.1KB
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...which then lead to this cabinet. Sadly due to space, that keyboard is sitting in the loft.
Edited by Reg, 06 January 2018 - 08:23 PM.