#151926 - 18/04/2003 10:55
Re: 4-LED Knob Board
[Re: jamville]
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carpal tunnel
Registered: 20/12/1999
Posts: 31578
Loc: Seattle, WA
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If 8 is possible. Why not? I think that would be too bright compared to the buttons. As it is now, when I went from three to four, the knob is already starting to look unusually bright compared to the buttons
I'd rather see someone figure out how to mix the plastic in such a way as to diffuse the light more instead of trying to brute-force it with more LEDs. Four is already overkill, I'm sure it could be done with one LED if only the plastic could do more diffusion.
(Not that it looks bad right now... I think it looks really cool as-is, I'm just saying if we're adding more LEDs to diffuse the light more, we're approaching the problem from the wrong end.)
I know it can be done because I've seen it done on other types of plastic and rubber buttons on electronic components... I have a big TV remote that lights dozens of buttons with a single LED. I'm sure it's just a question of finding the right compounds to mix.
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#151927 - 18/04/2003 11:20
Re: 4-LED Knob Board
[Re: tfabris]
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pooh-bah
Registered: 13/01/2002
Posts: 1649
Loc: Louisiana, USA
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In reply to:
think that would be too bright compared to the buttons. As it is now, when I went from three to four, the knob is already starting to look unusually bright compared to the buttons
The solution to the brightness problem as I mentioned earlier, is to increase the resistance limiting the current to the LEDs. Currently it is 100 ohms I think. If you increase the resistance, you cut the current and brightness. Doing so can keep the relative brightness in check.
Stu
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If you want it to break, buy Sony!
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#151928 - 18/04/2003 12:32
Re: 4-LED Knob Board
[Re: maczrool]
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old hand
Registered: 28/01/2002
Posts: 970
Loc: Manassas VA
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I'd take 4 boards if not too pricey...
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Brett
60Gb MK2a with Led's
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#151929 - 19/04/2003 06:08
Re: 4-LED Knob Board
[Re: maczrool]
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enthusiast
Registered: 28/03/2002
Posts: 230
Loc: Dudley, UK
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If I'm not too late - I'd like two with parts also
Ta, Sim
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#151930 - 19/04/2003 07:34
Re: 4-LED Knob Board
[Re: simspos]
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pooh-bah
Registered: 13/01/2002
Posts: 1649
Loc: Louisiana, USA
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Not too late. I haven't ordered them yet. I have counted about 21 boards thus far.
It doesn't look good for concentrically mounting more than 4 LEDs. They are just too big.
Stu
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If you want it to break, buy Sony!
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#151931 - 19/04/2003 07:44
Re: 4-LED Knob Board
[Re: maczrool]
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carpal tunnel
Registered: 25/12/2000
Posts: 16706
Loc: Raleigh, NC US
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Here's that thread on diffusing the light before it gets to the knob, and a link directly to the gallery.
I think that this (or figuring out how to diffuse the light within the knob itself) makes a lot more sense than trying to cram on more LEDs. Of course, that's all academic for me, as I'm not looking to add more lights to the interior of my car.
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Bitt Faulk
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#151932 - 19/04/2003 08:32
Re: 4-LED Knob Board
[Re: wfaulk]
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pooh-bah
Registered: 13/01/2002
Posts: 1649
Loc: Louisiana, USA
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Thanks. I saw that earlier and it does seem to wrok rather well. You are right that we shouldn't try to increase the LED count on the boards any more, which was really my thought all along anyway ![](/images/icons/smile.gif) .
There is some sort of material used commercially for the purpose of LED light diffusion for backlit LCD panels and such. I am trying to locate a source and additional information about it.
Stu
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If you want it to break, buy Sony!
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#151933 - 19/04/2003 21:02
Re: 4-LED Knob Board
[Re: maczrool]
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pooh-bah
Registered: 13/01/2002
Posts: 1649
Loc: Louisiana, USA
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Okay, here's the new design. Nothing revolutionary. Pretty much like Brian's, but things are moved around a bit and connected somewhat differently to keep everyone happy ![](/images/icons/smile.gif) . One nice thing is that the corner is trimmed for more clearance around the display nipple.
It's fairly obvious that the size of the LEDs do not allow for additional LEDs to be added. I scoured various catalogs and couldn't find any smaller than these, so 4 it is.
Stu
Attachments
154325-KnobBoard_new.gif (257 downloads)
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If you want it to break, buy Sony!
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#151934 - 20/04/2003 07:54
Re: 4-LED Knob Board
[Re: maczrool]
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enthusiast
Registered: 01/11/2001
Posts: 354
Loc: Maryland
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I have counted about 21 boards thus far.
Add 1 more with parts, I would like one too.
Thanks
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BleachLPB
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NewFace MK2a
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#151935 - 20/04/2003 09:39
Re: 4-LED Knob Board
[Re: BleachLPB]
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member
Registered: 07/10/2000
Posts: 112
Loc: CA, USA
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If the boards and/or kits become available, I would like to purchase 5. Thanks
- Sean
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#151936 - 20/04/2003 14:04
Re: 4-LED Knob Board
[Re: maczrool]
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new poster
Registered: 21/03/2000
Posts: 26
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Count me in on a kit/parts as well.
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Rick (MkII #80000150 w/tuner & stalk, 40gb)
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#151937 - 20/04/2003 14:54
Re: 4-LED Knob Board
[Re: maczrool]
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journeyman
Registered: 16/02/2000
Posts: 94
Loc: UK - NE Wales
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I'd be up for a board too!
Cheers.
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#151938 - 20/04/2003 19:54
Re: 4-LED Knob Board
[Re: maczrool]
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pooh-bah
Registered: 12/01/2002
Posts: 2009
Loc: Brisbane, Australia
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Count me in for a board Stu. Saves me from doing one myself
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Christian #40104192 120Gb (no longer in my E36 M3, won't fit the E46 M3)
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#151939 - 20/04/2003 21:58
Re: 4-LED Knob Board
[Re: Shonky]
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Carpal Tunnel
Registered: 08/02/2002
Posts: 3411
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Yeah, I'd upgrade
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Mk2a 60GB Blue. Serial 030102962
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#151940 - 21/04/2003 04:14
Re: 4-LED Knob Board
[Re: maczrool]
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enthusiast
Registered: 07/01/2002
Posts: 337
Loc: Squamish, BC
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If it's not too late, I'd definately buy a board - send you the money right now ![](/images/icons/smile.gif) . Would also buy parts if they were at a reasonable price.
Assuming you will ship to the UK for a price...
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#151941 - 21/04/2003 04:20
Re: 4-LED Knob Board
[Re: snoopstah]
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enthusiast
Registered: 07/01/2002
Posts: 337
Loc: Squamish, BC
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On a related note, has anyone made any progress on making/supplying some translucent buttons/knob other than Brian?
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#151942 - 21/04/2003 07:13
Re: 4-LED Knob Board
[Re: snoopstah]
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pooh-bah
Registered: 13/01/2002
Posts: 1649
Loc: Louisiana, USA
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Okay, I've counted 34+ boards. The boards themselves will be tentatively priced at $15 + shipping.
Stu
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If you want it to break, buy Sony!
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#151943 - 21/04/2003 08:09
Re: 4-LED Knob Board
[Re: maczrool]
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journeyman
Registered: 22/06/2002
Posts: 92
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well.... I would like one board with parts too. But only if I could get the translucent buttons from somewhere.... Anybody got any success in getting/building them?
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#151944 - 21/04/2003 10:01
Re: 4-LED Knob Board
[Re: maczrool]
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journeyman
Registered: 31/01/2002
Posts: 89
Loc: Texas
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I am interested in 3 boards plus parts. I am in the same boat as many of the others though. I still need a source for translucent buttons and knobs.
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'a stock car stereo is a beautiful thing to waste'
MKIIa 60gb
MKIIa 20gb
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#151945 - 21/04/2003 10:50
Re: 4-LED Knob Board
[Re: snoopstah]
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carpal tunnel
Registered: 20/12/1999
Posts: 31578
Loc: Seattle, WA
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On a related note, has anyone made any progress on making/supplying some translucent buttons/knob other than Brian? Lopan is still working on it. He's got problems with Tiny Bubbles (tm) at the moment (cue Don Ho music in everyone's head).
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#151946 - 21/04/2003 12:09
Re: 4-LED Knob Board
[Re: maczrool]
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journeyman
Registered: 18/02/2000
Posts: 51
Loc: UK
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Please add 2 boards & LEDs for me too. I am in the UK.
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#151947 - 21/04/2003 12:55
Re: 4-LED Knob Board
[Re: maczrool]
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new poster
Registered: 22/05/2002
Posts: 20
Loc: London
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If I'm not to late I'd like 2 complete boards as well please.
Thanks
_________________________
Jim
MK2#090000841
MK2a#120001050
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#151948 - 21/04/2003 14:49
Re: 4-LED Knob Board
[Re: talmou]
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pooh-bah
Registered: 13/01/2002
Posts: 1649
Loc: Louisiana, USA
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So now it's 40+ boards. What is it exactly that most of you want? The complete electrical portion of the kit (everything but the buttons and knobs), just the bare PCB, or the the PCB with parts? Those of you who want more than just the PCB, please be aware that $15 only buys the PCB; the LEDs, resistors and transistor are extra.
Stu
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#151949 - 21/04/2003 14:50
Re: 4-LED Knob Board
[Re: talmou]
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pooh-bah
Registered: 13/01/2002
Posts: 1649
Loc: Louisiana, USA
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What color solder mask? I can get standard green, or something more unusual like red, blue, or black.
Stu
_________________________
If you want it to break, buy Sony!
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#151950 - 21/04/2003 14:53
Re: 4-LED Knob Board
[Re: maczrool]
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carpal tunnel
Registered: 29/08/2000
Posts: 14484
Loc: Canada
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As dark as possible. Mm... or I wonder, maybe ultra-reflective would help with the light diffusion..
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#151951 - 21/04/2003 15:31
Re: 4-LED Knob Board
[Re: maczrool]
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old hand
Registered: 14/02/2002
Posts: 804
Loc: Salt Lake City, UT
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I think I better add 2 more for good measure... (trying to convince the G/F to get an empeg) So thats 3 total for me.
I think I would prefer getting the complete electrical portion (assuming you mean the button LED's as well as the knob board)
_________________________
-Michael
#040103696 on a shelf Mk2a - 90 GB - Red - Illuminated buttons
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#151952 - 21/04/2003 15:40
Re: 4-LED Knob Board
[Re: Waterman981]
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pooh-bah
Registered: 13/01/2002
Posts: 1649
Loc: Louisiana, USA
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In reply to:
I think I would prefer getting the complete electrical portion (assuming you mean the button LED's as well as the knob board)
That's what I mean. I will offer bare PCBs, knob kits, button kits and both kits together.
Stu
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If you want it to break, buy Sony!
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#151953 - 21/04/2003 18:35
Re: 4-LED Knob Board
[Re: mlord]
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pooh-bah
Registered: 13/01/2002
Posts: 1649
Loc: Louisiana, USA
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Black it is then unless it costs a lot more. I've never done black before, and they don't have online quoting for non-standard colors of solder mask. Now to get all these Gerber files sorted out...
Stu
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If you want it to break, buy Sony!
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#151954 - 22/04/2003 01:39
Re: 4-LED Knob Board
[Re: maczrool]
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pooh-bah
Registered: 31/08/1999
Posts: 1649
Loc: San Carlos, CA
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What is it exactly that most of you want?
All electronics to do buttons and knob including all LEDs, etc. would be my order. I imagine it is going to be much easier for most of us to get everything through you than try to order all the individual bits through digikey or whoever. Oh, and assembly instructions would be nice too
-Mike
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#151955 - 22/04/2003 01:49
Re: 4-LED Knob Board
[Re: mcomb]
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enthusiast
Registered: 28/03/2002
Posts: 230
Loc: Dudley, UK
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What is it exactly that most of you want?
Yep, what mcomb said, that sums me up nicely.
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