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Old 01-12-2008, 03:05 AM #1
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Default my latest Blu-Ray 'mod'

This was a combo modification - I used parts from 2 very different units.

I wanted to use 3.6V rechargeables, and wanted it to be thin like an AA type. The rechargeable 16400's are supposed to be AA size. So I ordered some of them and a Romisen RC-P3 flashlight from DX that seemed to be right for the job.

but in actuality the 16400's were too wide for that. So I looked around the house and found a nice stainless-steel back-end: one of the 3 legs from a Stanley tripod light (which in itself is a useful thing, and is around $18 at Costco). The legs are AA battery holders (3 batteries each) with decent end caps.

The tripod leg needed a switch, so that came out of the Romisen. I drilled and expanded a hole for it, and then trimmed the switch body just right; after about 4 hours work : it all fit and worked well (would take about 15 mins. now, knowing how). There wasn't enough room inside the tube for the switch boot so I put a heat-shrink sleeve around the tube to hold it - the black heat-shrink goes well with the black plastic end-cap

The front end is a $4 red module from DX. I like that one because of the easy focusing knob. The module is mounted in the body and insulated from it by 2 rubber o-rings, and then sealed with heavy-duty adhesive-backed heatshrink from Electronic Goldmine. This front-end isn't quite as slick looking as I wanted, but it's not bad and is very solid. It'll look better once I trim the heatshrink to be neat and parallel.

The driver is just a 2-transistor current regulator using surface-mount parts to get the board size down to .25 x .5 inch. It's set at 65mA - that sounds high but the BluRays that I received most recently seem to be more hardy than the first ones (??). The diode runs cool with just the module case for a heat-sink.

The nice thing about using the tripod light as a base is that there are potentially 3 identical units there... I think I'll make one each red, blu, and green...

The photo shows the 14500 batteries and an AA for comparison - the width difference is slight but significant, even though it doesn't show in the photo. (oops... no, that's not how the batteries are oriented when in the unit)
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my latest Blu-Ray 'mod'-blu-ray_tripod_mod_14500_sml.jpg  


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Old 01-12-2008, 03:21 AM #2
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Default Re: my latest Blu-Ray 'mod'

Kudos for ingenuity!
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Old 01-12-2008, 10:07 AM #3
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Default Re: my latest Blu-Ray 'mod'

I went through the same sort of thing with my blue Dan, I was looking to use rcr123 batteries and found a piece of tube the perfect size.

It is very satisfying when a plan comes together nicely done!
I take it you will be looking to use a DX module for the Greenie?

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Old 01-12-2008, 11:05 AM #4
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Default Re: my latest Blu-Ray 'mod'

nice description and documentation, thank you!
and i like your new "baby"! :-)
isnt violet just beautiful..?
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Old 01-12-2008, 02:48 PM #5
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Default Re: my latest Blu-Ray 'mod'

Nice mod man 8-)
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Old 01-12-2008, 05:05 PM #6
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Default Re: my latest Blu-Ray 'mod'

good job!
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