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;DYes I can be an impatient devil. I get a bee in my bonnet and tehn it's wham bam until the job is done. The 'sliders' are just 10k linear pots. 100mm for 8 channels, a crossfader and a couple of other controls and 45mm for 2 fx send non each channel. I'm going for sliders rather than rotaries on the sends so that I can change multiple sends by hand very quickly at the same time - the controller is for live PA. I'm having trouble getting some smaller knobs for those at the moment (using standard mixer ones on the main faders). They don't need to be motorised for my needs and (great) I've managed to get the design down to 2 cores - originally I was going to have 4 sends on each channel but I think 2 will be enough. LED switches were from Farnell ( http://uk.farnell.com/jsp/endecaSearch/searchPage2.jsp?showImages=true&Nty=1&N=401&Ntk=gensearch&Ntt=illuminated%20switches&No=175#results 3113579 and others plus caps higher up the page) but for the amount I need (160 or so) the cost got too much - £2.33 per switch and £60 per cap. So that was well over £300 for the buttons - crazy. I've found some more at Farnell and have ordered a few to see what they look like. Links:http://uk.farnell.com/jsp/endecaSearch/searchPage2.jsp?showImages=true&Nty=1&N=401&Ntk=gensearch&Ntt=led%20switches&Nto=illuminated+switches&newSearch=true&No=25#results TLL62BR caps available are square or round in a variety of colours Colour     Round     Square Ivory       5370565    5370632 Red       5370553    5370620 Green      5370589    5370655 Blue       5370541    5370619 Other colours available: Black, Orange, Yellow. HOpefully these will look Ok and be up to the job - switches are £0.60 and caps are £0.24 - volume discount.

Doesn't anyone know this? Design has changed a bit (again) only need to use 2 cores core - one 64 and one 64E. The illuminated buttons are going to cost an absolute fortune...but there you go. Going to be as nice job wheel to thew left. Will be putting up a quick graphic I've done of it within the next day or so. None of it is to scale or measured, it was done more so that I could get a handle on layout and colours of LED's etc (so not all of the buttons fit correctly in some places in the picture, ahem).

Right.. can someone tell me if I'm going wrong with this please? Spec: Large faders: 11 Rotary pots: 58 (1 must be an encoder) Large Buttons: 3 Lit buttons: 160 Small sliders: 32 By my reckoning I'll need to use 3 cores - 2 as Midibox64 and 1 as 64E - I may add a few more bits as this will leave some spare capacity. I've had a good look around on the forum to see about linking cores and while it looks perfectly possible (and people have done it), there doesn't seem to be a definitive answer about mixing cores running different apps. IS it possible to do this and run them from the same LCD? Thanks.

Finally thanks to the genius of uCApps I've found a solution to my needs. I've been looking for a controller suitable for live PA for the last 2 years and have tried many commercial controllers. None have come up to scratch. What I'm planning to build will have (roughly) 120 buttons, 41 sliders and 60 rotaries (current count). Now...this is too much for the MIDIbox64 spec and on first glance 64E won't do it either. However, looking at the scematic it looks like it's possible to have both rotary encoders AND pots on 64E. Is that the case? Is that implemented in the firmware or would it require additional programming? Next question (last one, promise). Is it possible to send several MIDI controllers out from 1 button push - i.e. I press a toggle button and it sends on 8 commands for the on state, when I press it again it send out a different 8 commands for the off state? MMTIA. Will be getting started bilding this baby and geting teh show back on the road in teh next couple of weeks if this is all possible. V excited by the prospects ;D