<cladamwa>
since the case should already being not same as rc3. so i planned to like this.
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<wpwrak>
if we consider that a user may want to connect 6.3 mm jacks, then at least about 15 mm center-to-center distance would be reasonable. a 6.3 mm jack has an outer diameter of about 13-14 mm
<wpwrak>
(6.3 mm jacks) via adapters, of course
<cladamwa>
hmm ... 6.3 mm jack seems a popular one for the musical instruments. I hope you are not serious on this, are you ?
<wpwrak>
semi-serious :)
<wpwrak>
i'm not entirely sure whether professional users would trust a 6.3 mm to 3.5 mm adapter
<wpwrak>
but i've seen a fair bit of 6.3 mm in higher end equipment. so i can very well imagine that someone out want to connect to that
<wpwrak>
and if the spacing is too tight, things get messy
<wpwrak>
looking at dual 3.5 mm stereo connectors ... they look a bit scary. quite tall (24.0-26.7 mm) and probably need a screw for stress relief
<cladamwa>
wpwrak, yes, when i went to a swimming poor which they play music by huge speakers with 6.3 mm pluger, their instruments can set a lot audio effects and equalizers.
<wpwrak>
so that's probably not a viable alternative. both would have 15.0 mm center-to-center, though
<cladamwa>
the rear of intruments are all 6.3mm receiptacles.
<cladamwa>
wpwrak, yeah...the length can't be used in m1, too waste space.
<wpwrak>
how about moving U23 under the expansion board ? between J21 and U1 ? there seems to be a bit of free space
<cladamwa>
wpwrak, the expansion board can do such 6.3mm CD-in then use SPDIF-out. :-)
<wpwrak>
;-))
<cladamwa>
sure, why not. :) but i was just considering to free space under expansion area. Since who knows will build great extra-value-added for m1 though expansion. I know like you are !
<wpwrak>
i'm not so much worried about free space in general but about the maximum height of the things under the expansion board. it seems that U23 wouldn't make a difference in this regard
<cladamwa>
so i meant if m1r4's case doesn't need to same as rc3 as dvi-i connector-variant there.
<cladamwa>
oah...yeah. the U23's height is not too tall, so if you prefer to place there, then we go there. :-)
<wpwrak>
yes, i'd rather have U23 under the expansion board than the two audio jacks very close to each other
<wpwrak>
even without 6.3 mm adapters, it's not very convenient to have very closely spaced connectors
<wpwrak>
(case) yeah. it'll be a new design. that much is certain :)
<wpwrak>
unless xiangfu wants to try his disc-cutting drill ;-)
<cladamwa>
your internal usb (with atusb dongle) I'll add it.
<cladamwa>
wpwrak, another question, where we supposedly place those un-used LEDs ?
<cladamwa>
wpwrak, current TPs for LEDs-M are under bottom side. I'm thinking to place them to top side for easy. Is it okay to you ?
<wpwrak>
i don't have a place for them. what could be a little interesting is to have a few of them on the pcb edge, below the eastern edge of the expansion board
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<wpwrak>
that way, they could be used to signals things there, if someone wants that
<wpwrak>
top side is fine with me
<cladamwa>
still have 8 un-used LEDs, so few of them to the eastern edge of expansion board, or all ?
<wpwrak>
ah, and we can DNP the "reserved" LEDs anyway. i would place them in the prototype run, to check things, but then we can save wolfgang a few cents :)
<wpwrak>
nice :)
<cladamwa>
place them as the idea you gave, but we DNP them in m1r4.
<wpwrak>
but there's not enough room for all of them. at least not if we design for side-facing leds, which have their long side parallel to the pcb's edge
<wpwrak>
actually ... they may just fit :)
<wpwrak>
the green area is 60 mm on my screen and you can probably have one LED every 8 mm, so that would work
<cladamwa>
rough just for illustration for house, I'll tell them to centralize them. :-)
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<GitHub185>
[llvm-lm32] jpbonn pushed 1 new commit to master: http://git.io/c4y35w
<GitHub185>
[llvm-lm32/master] Added note on building CompilerRT, corrected some PATHS in directions. - jpbonn