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radodrill

Project: RAD GT -- Custom Acrylic Case Worklog

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sweet turbos :nod:

 

I usually look for quality before price. But I do price shop; if I can find the same (or same quality) product for less, then I'll go for the less expensive.

 

That's why I've got Bosch tools and not Skill or Black&Decker.

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I finished making my PWM fan and lighting controller. It has 8 fan channels and 4 lighting channels (1 dedicated to the fan lighting). The fan LEDs are connected to separate headers from the fan itself.

 

First: the circuit I used

PWM_fan_control_circuit.jpg

Edit: After testing the PWM fan controller with the Blackfire fans I realized that at low speeds the fans were "growling." By means of trial & error I discovered that if I replace the 0.1uF timing capacitor with a 100pF capacitor (raising the PWM frequency from 30Hz to 30KHz) the symptoms are resolved.

 

Installed 1 fan control channel to work out the layout

PWM_fan_control1.jpg

 

Here in the US I wasn't able to find anyplace that had the MIC502 fan control IC available in a DIP package; so I had to make due with the SMD version

PWM_fan_control2.jpg

 

Soldering on leads

PWM_fan_control3.jpg

 

1 DIPicized IC

PWM_fan_control4.jpg

 

All eight channels integrated on the PCB

PWM_fan_control5.jpg

 

Added power supply as well as headers for the fan LEDs and fan LED switch

PWM_fan_control6.jpg

 

Also installed headers for the case lighting control

PWM_fan_control7.jpg

 

And a pass-through MOLEX connector

PWM_fan_control8.jpg

 

The underside of the controller

PWM_fan_control9.jpg

 

The wiring for the power connectors will also be sleeved later on in the project.

 

Sponsors:

DangerDen.jpg A_C_Ryan.jpg PTS.jpg

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Nice controller. Must be nice to still have steady hands. Guess that's why you do what you do and I work with larger pieces of metal.

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Sleeved the wiring on the fan contoller

PWM_fan_control10.jpg

 

I also wired up and sleeved the switches for the case lighting as well as the power cables for the CCFL inverters

Cabling1.jpg

 

Sponsors:

DangerDen.jpg A_C_Ryan.jpg PTS.jpg

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Damn man, you make it look easy. My sleeving came out like crap.

 

Looking sharp

 

Thanks; but TBH the sleeving was easy ;) (also the first time I've done it)

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Sleeved the cabling for the front panel IO

Cabling2.jpg

 

Changing gears for a while; I cut out the MDF baseboard and rounded the edges

Base1.jpg

 

First coat of Lacquer paint

Base2.jpg

 

Back to the cabling; Wired up and sleeved the HDD LED, Reset Switch, and Power Switch w/ Power LED

Cabling3.jpg

 

Back to the baseboard again; Second coat of paint

Base3.jpg

 

Sanded smooth

Base4.jpg

 

I'm hoping to be able to get a piano-quality high-gloss finish; thus the use of the lacquer.

 

Sponsors:

DangerDen.jpg A_C_Ryan.jpg PTS.jpg

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With the quality of work I've seen and the progress so far, I'd have to say >>> You've got some talent! Excellent work!

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With the quality of work I've seen and the progress so far, I'd have to say >>> You've got some talent! Excellent work!

 

Thanks a lot; I'm trying to get all the details as best I can.

 

This is my first time working with acrylic and my first project of this kind; but I'm by no means a stranger to working with tools or soldering.

 

I actually just started working with Pro/E this summer and this is my first real-world modeling/design project.

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Guest SuppA-SnipA

this looks too awesome, cant wait for the grand finale

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this looks too awesome, cant wait for the grand finale

 

Probably in about 2 weeks :)

 

Hopefully I can line up some hardware sponsors as well.

 

Current planned hardware list:

DFI Lanparty UT 680i SLI LT T2R/G

Intel Q6600 G0

2x1Gb DDR2-1066/1200

2x8800GTX/ULTRA

Creative X-FI XtremeGamer

CoolerMaster Real Power M1000

Lite-On LH-20A1L-06

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