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Project: parallel HEX (completed!)

Mohonri said:
Only in a forum like this would people get in such a huge debate over the organization of buttons and knobs...

Yeah, this is pretty anal ;) but it would a shame to let it down at this stage! Have you seen the quality of the case mods that are in here?

It's nice to be in such esteemed company.
 
I prefer 3 down the middle, more symetry....what will the nobs be made of? steel chrome aluminium???
f
 
Go with the 1st pic and lets get moving! lol

this mod is coming out great, pitty it wasent smoked Plexy, but you can always "smoke" it later.
 
i like the idea with the three down the middle, but then it divides up the sides might want to rotate it so that the power / rst switches are on top, and the lighting switches on bottom, with the knobs for the fans/pumps in a horrizontal line
 
Ah well, it's been exactly one year since I started this worklog and I'm still not finished....I'm close though!

I've thought about the layout of the buttons and knobs and I'm going to go with alternating them, as fenton suggested and how Geo Fry illustrated earlier. This will give the buttons a 'Y' arrangement. HEX & Y, get it? Never mind....

I'm well happy, my circuits for controlling the lighting of the case works perfectly!

stage_145.jpg


The above image is a bit chaotic, I've labelled everything in the image below:

stage_146b.jpg


The red switch controls the laser (only effective if high current signal from psu is present) and the blue switch controls the lighting of the fan controller, case uv leds, and the four EL wire data cables (2 IDE, 2 SATA).

Here's a close up of the light control motherboard:

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The Daughterboard:

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And the PWM fan controller where I've relocated the leds of one channel to test everything. The pots of this board will be removed and dual gang pots wired in their place but postioned to the front of the case as I've mentioned before no doubt.

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I was going to make everyting on one board but it would have been huge in stripboard and taken to long to etch a new board. It'll do the way it is!

I'd really like to give credit to cpemma and his website that helped me get started with this circuit. I somewhat modified it, but it was an excellent starting place.
Also on my credit list is Rob 'linear' Arnold for his excellent LED calculator, very useful!

Before I go, one last thing - freddiepm61 - the knobs for the pots are brushed aluminium as the pic below. Not sure I like the brushed look so may sand them down. I ordered the wrong size by mistake, these are 28mm diameter and I wanted 22mm to match the Bulgin switches.

stage_150.jpg
 
Can you polish the aluminium so that it is more shiny? its just that the project seems like a quite 'shiny' clean project.

Great work, looks amazing, keep it up!

Freddie
 
woot! My idea is being used in a mod - props to Geo fro illustrating the idea - thats exactly how I had it in my mind.

Anyway - the mod is still kicking ass! Hurry up and get it finished! :D
 
Hopefully you had a good holiday break Mysterae. Still keepin an eye out for this project ;). Mod on :D
 
Hi guys, yes I've been away for a bit doing the family thing, not sure on the well rested though! I have managed to do a little, mostly electrical work.

Here we go with the first update of 2007:

The two D5 pumps have had their internal 10K pots removed and wires soldered on; to relocate the their control to the front of the case.

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Here's the blue LED at the rear of the Tagan PSU:

stage_153.jpg


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This led has been removed (but the zener diode remained) and wired to a connector to be plugged in to the light control board. This acts as a trigger for the laser to come on when the current load exceeds 20A(ish).

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Here's all the circuit boards for lighting control. This includes the stripped fan controller, 4 EL wire circuits and the 2 custom control boards.

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If you look closely in the image above, I've soldered a little switch to the light control board to override the laser to help positioning and display it without loading the machine.

Here's what I'm aiming at once it's complete, minus the wires of course!

stage_157.jpg


This should help me mount the laser, keep dust off the circuit boards and electrically protect it from wayward fingers, tools and dropped screws.

I have also mounted the buttons, pots and knobs to the front panel of the case. This definitely was the best positioning, thanks to those that helped :cool: !

stage_159.jpg


You can't really see them that well in the picture above. Also the knobs above are 28mm type, I've yet to get the 22mm ones.

The electrical stuff is taking time, but it will be worth it in the end. Once all the electrical work is complete, I can move on to the plumbing. Oh joy ;) .

Here's a random shot until next time:

stage_158.jpg
 
Oh joy, an update! (This, and "Silver Ocean" by mechatech are the ONLY worklogs on [H] I have followed with near-religious zeal.)

This project is just pure awesomeness. I absolutely love everything about it :D
Can you adopt me or something, so I can stare at it every day? I promise I'll behave myself...
 
n00btard, if you are Paris Hilton incognito, then of course you can come and stare at it:) , but hey not all day, there's things to be done......like the washing up...completing the case for me....and!

Only got a few sketchup renders for you today.

After messing with the wiring, I soon realised that it was going to be come unmanageable. A lot of wires going everywhere, stressed connections and looking a bit of a mess. A goal of this case was to make it modular, easy to take apart, accessible and aesthetically pleasing. That wasn't going to be achieved using the standard 4 pin molex connections.

So a few hours in front of sketchup I came up with this, yet another HEX :rolleyes: . This is the connection plate for almost all the electrical components. It sits above the lighting control boards:

stage_160.jpg


I know what you're thinking, that's alot of connections, do I need them all? Hell yes! Here's what they are, but this is not strictly how I will arrange them in the final item, it's only for illustration at the moment.

stage_161.jpg


The shape of the holes in the 3mm acrylic above will give some of you a clue as to what I'm using to make the connections. These arrive tomorrow, but the connection plate will take longer. I don't have the kind of machinery needed to make it, so will farm it out to someone that does and should get it sometime next week.
 
You mean like this?

stage_162.jpg


I can see what you mean. In the original one, the plate is orientated in the same way as the hex distributor. I'll see what it looks like in person before I make any firm decisions, but I am swinging towards what you guys suggest.

stage_163.jpg


Thanks guys, your suggestions are welcome. And n00btard, such a shame :p !
 
It's hard to say for sure without seeing it, but if your distribution block cannot be inline with the case, then anything else hex inside the case should be lined up.
 
The shape of the holes in the 3mm acrylic above will give some of you a clue as to what I'm using to make the connections. .


from the looks of the holes i would guess xlr, but that seamrs like it would be a waste
 
Not quite as extreme as xlr's, but similar DIN connections ranging from 3, 4, 5 and 6 way.

stage_164.jpg


More on these in a later post.

I thought I would do some work on the videocards and their waterblocks. First on the list was to modify the led that comes with the AquaComputer Aquagratix. I changed my mind again on the colour of the led after testing uv and blue - I'm back to red! It will match the colour of the laser ;) . I wanted the brightness of the led to vary depending on the temperature of the gpu by connecting it to the fan header of the card. So the higher the temperature of the card, the higher the voltage of the fan, or in this case, the led. The voltage should range between 5V to 12V.

So I fitted 4 IN4001 diodes in series with the red led and a 470R resistor to limit the current, sleeved it up and shaped the cable while it was still hot. Got the diode idea from here again!

stage_165.jpg


I measured the current the above little circuit will consume with a meter, and it's 1mA at 5V and 15mA at 12V, plenty of difference in brightness. FYI, the stock fan of the x1900XT's is 420mA at 12V so I'm miles under spec. I can't find the exact same header plugs as that used on the card but I've got another solution ready.

So what are these heatsinks for?
stage_166.jpg


One of the shortfalls of the AC gpu cooler (and the stock heatsink) is the area of the vregs.
As everyone knows, these get hot especially if you overclock and give the cards a bit extra juice. The water flow in the Aquagratix doesn't really go anywhere near the vregs and the area of the block has no fins to aid cooling.

I don't think this will be a problem with my Hedgehog™ coolers :p

stage_167.jpg


I used some thermal adhesive to mount the sinks. I was going to drill and tap them to fit, but what the hell.

stage_168.jpg


The X1900XT-CF in the background has lower heatsinks so that it can clear the northbridge cooler. I get a better overclock with the XTX (in the foreground), so I gave that larger 'sinks to cope. Overkill? Perhaps, but definitely an improvement...

The water blocks are dry fitted in the pic above because I need to take them off again to fit the acrylic inserts that are lit up with the led. More on that later.
 
Finished the graphic cards, adding a subtle touch...

stage_169.jpg


Need to wait for daylight to take a better picture, probably when it's in the case.

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Got the connection plate in...

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That would have taken me ages to do, even if I had the right tools.

Populated it with the DIN sockets...

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:D No need to count them, there's 31. Looking forward to wiring them up. Seriously, I am :) .
 
when i read the first post this image poped into my head for some reason

WDtM.jpg


lol

also... suggestion.. your main blue power LED... you should make a "throbber" circuit for it and have it throb when the PC is off... you could easily do this by making it run off of your PSU's +5v STBY line
 
FLECOM, does the throbber circuit make the LED fade in and out, or does it just blink on and off?
 
FLECOM, does the throbber circuit make the LED fade in and out, or does it just blink on and off?

the one i made would make it fade in and out... blinking would be easy also
 
Alright guys. I'd be a bit further on if I wasn't outside putting the roof back on the shed or fixing fences! It's been a little breezy here in the UK :( . Still deep in the wiring of the lighting control stuff, but close to finishing.

Flecom, I seem to recognise that image, perhaps it was in a nightmare of mine! Regarding the pulsing led, I was thinking of having the switch leds on pernamently or even pulsating, but can't remember when or why I decided not to!

TheOneGreatX, here's a circuit you could adapt. It runs off 12v instead of the available 5v though, so the chip used may not work. Experiment!
 
Continued working on the lighting control ‘module’, marking out where to place it, and wire it.

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Then there was the wiring to sort out…

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Glad that’s done…

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Yes, that’s a lot of wires!

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Here it’s in position. It’s getting crowded between the dvd drives and the power supply, but manageable. The ide cables here have been reduced from two connectors to one. Sata dvd drives would be so much better here!

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With the left hand pump removed you can see how the control module gets its power, and where I’ve hidden a good bit of psu cables.

stage_178.jpg


Taking about pumps, I reduced the cables from two to one. The camera flash makes the sleeving really blue, it’s normally quite dark.

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Here’s the pump back and plugged in. The connectors for the two pumps are black, all the rest are chrome.

stage_180.jpg


Now that the sockets are wired, I have to do all the matching plugs. Hopefully that shouldn’t take long. It's going to look a little strange with al those cables. If you can't hide them, make a feature of it!
 
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