mr_DK Posted January 31, 2009 Report Share Posted January 31, 2009 Hello,I recently bought some GM5 boards to make 2 units for my PC, one board with 10 MIDI in and one board with 10 MIDI outs.I bought the little PCB's and I want to create the breakout board. But I had a few little questions about that:The only LED that is on the GM5 PCB is this the USB status LED?Does anyone has a simple schematic for led drivers so I can connect a LED to each midi port? I wanted to know this things before I order the front panels. I just finished the design.Curious about the comments...Thanks!Best regardsHansPS I'm also working on a MIDI router, which will be posted soon, and a MBLC. I hope that I can tell you more about them soon. Quote Link to comment Share on other sites More sharing options...
nILS Posted January 31, 2009 Report Share Posted January 31, 2009 The midibox LTC has a LED driver on it so you can check out that schem at ucapps.de. What I did in the gm5x5x5 was to simply use an inverter (74HC14) to buffer the signal and the (the schem for that is linked to from a thread in the forum, search for "midi splitter"). Quote Link to comment Share on other sites More sharing options...
mr_DK Posted February 1, 2009 Author Report Share Posted February 1, 2009 Hey,Thanks for the reply! Sorry about the stupid question, it was quite logic that the LTC module contained a nice and clear LED buffer.So only the last question remains, (I hope I don't start to get on your nervs...) is the only LED on the GM5 PCB monitoring the USB status? (just to be sure, so I can order the panels at schaeffer)Thanks again!!Best,Hans Quote Link to comment Share on other sites More sharing options...
nILS Posted February 5, 2009 Report Share Posted February 5, 2009 The one LED on the gm5 pcb is a "midi monitor" LED. It shows the activity of all 5 IO ports. Quote Link to comment Share on other sites More sharing options...
mr_DK Posted February 5, 2009 Author Report Share Posted February 5, 2009 Thanks! Quote Link to comment Share on other sites More sharing options...
Amiga-Falcon Posted February 6, 2009 Report Share Posted February 6, 2009 If you w3ant to have a sperate MIDI-status led for each midi in or out,you should try the schematics from the LTC Module.This one works very fine together with the gm5.regards,amiga-falcon Quote Link to comment Share on other sites More sharing options...
SLP Posted February 6, 2009 Report Share Posted February 6, 2009 If you w3ant to have a sperate MIDI-status led for each midi in or out,you should try the schematics from the LTC Module.always read the whole thread ;)The midibox LTC has a LED driver on it so you can check out that schem at ucapps.de. Quote Link to comment Share on other sites More sharing options...
nILS Posted February 6, 2009 Report Share Posted February 6, 2009 If you w3ant to have a sperate MIDI-status led for each midi in or out......it would be easiest to get a gm5x5x5 ;-) Quote Link to comment Share on other sites More sharing options...
mr_DK Posted February 6, 2009 Author Report Share Posted February 6, 2009 Indeed it is, I only discovered the bulk order page of the GM 5x5x5 a week after I ordered my PCBS.Thanks for all the replies! 8)Best Quote Link to comment Share on other sites More sharing options...
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