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Old 11-21-2010, 02:19 PM   #1
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Default Great host found! Richuang RC-7001 (DX $3)

DealExtreme: $2.90 Richuang RC-7001 30-Lumen LED Flashlight with Clip (1*AAA)

That one!

I bought it some time ago and it was collecting dust somewhere lost in my room.
I found it today, and I had a spare 16X to put on it so... there is it! I found
that it is a great host even though it was pure bullshit.

The Aixiz just fits in with one or two hammer hits, and best of all.... well I'm
sure a lot of you won't like this but anyway, I used the driver that came with
the host. Fuck yeah! It didn't fried the diode with one 10440 Li-Ion battery.
It draws 420mA from the battery so it shouldn't be much efficient. I think it's
putting out arroun 130mW with the default Aixiz plastic lens.
I think that for $3 this thing is purely badass. You just have to replace the
LED board, with a Aixiz + 16X, hit it twice with a hammer and there you have
one nice laser!

Now here you have some pictures. I can take some beamshots if you want,
too.










Hope you like it!
__________________
Lasers:
~100mW 405nm from Erdabyz (L) akshakj <- Died once, working again. vid 1 vid 2(repaired)
~980mW 445nm in Ehgemus RPL style host, thanks to MR. DAGUIN vid
~25mW 532nm (potmoded) from DX (dead now, switch died and repair failed...)not moded vid
~50mW 532nm "star cap" style found in the bus. Yeah, lol.
~6mW 635nm diode laser pic 1 pic 2
~250mW 650nm extracted from 20x DVD burner. <- dead vid 1 vid 2
~130mW 650nm extracted from 16X DVD burner. <$15 to make! LPF thread

~100mW 780mn extracted from 52x CD burner. <- dead cremation vid

My Youtube channel
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Old 11-21-2010, 02:48 PM   #2
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Default Re: Great host found! Richuang RC-7001 (DX $3)

Nice one

Nothing wrong using the existing driver. I do it all the time.
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405nm 400mW S06J C6
445nm 3W Big Boy, 2.8W Dominator, 2.4W Steel Laser
450nm 240mW PL450 C6
473nm 80mW PGL-III-C-473
520nm 55mW Skylaser PL520
532nm 821mW Skylaser PL532, 133mW Jetlasers Ti-B
589nm 80mW PGL-III-C-589
635nm 70mW Sanyo SenTorch
638nm 175mW Ehgemus, 1W Rook
660nm 1216mW Skylaser PL660, 263mW LPC826 C6
685nm 33mW Fujitsu FLD6A2TK C6
780nm 150mW Dilda
808nm 640mW C6

I have copper 501B and Dominator lasers for sale !
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Old 11-21-2010, 02:59 PM   #3
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Default Re: Great host found! Richuang RC-7001 (DX $3)

Great project for those first-timers afraid to mess up and expensive diode-driver or host. Good confidence builder!! Computer Repair shops almost give away drives with 16X in them. +rep for the thread-share.


ps you might want to avoid touching your finger to your hot iron---again!!!!
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KGB1W+ 532 DT Pro 40 soon to be GB.
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REKE RGB 500- G 300
HeNes-(12)R(3)G-COH-594/5 mWs-thnx Sam
MULTILINE-147mWs[
445nm 180mW-Mini spiro-Yob.
LPMs-RadiantAlpha& Pro 5W-AixiZ SPER/Kenometer-Lite/LB1
Spacelas 1178mW 655nm/AixiZ 300mW 532&
2 B&W 473nm 5/6mW lab
JETLRS1.3W&1.2WMGL-H
638 180mW ttl mimi lab (av. 230mW)
405 100mW ttl mini lab
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Guide to DIY Pjs by Dan-
http://nqlasers.com/scannerreference...itle=Main_Page
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Old 11-21-2010, 03:09 PM   #4
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Default Re: Great host found! Richuang RC-7001 (DX $3)

Oh yeah!! Right now I have 5 fingers burned! If you look at my middle finger there is
another one. But I didn't touch the iron, I touched the Zippo wheel.... (the one in the
middle finger has the shape of it LOL) yeah, five times. I seem to be pretty stupid


And yeah, I sometimes go to computer shops to collect their crap. They sometimes
have some DVD drives, cool! PSU's are good for the heatsinks for TO-220 and similar
ICs and I also take CPU heatsinks.

Thanks to all!
__________________
Lasers:
~100mW 405nm from Erdabyz (L) akshakj <- Died once, working again. vid 1 vid 2(repaired)
~980mW 445nm in Ehgemus RPL style host, thanks to MR. DAGUIN vid
~25mW 532nm (potmoded) from DX (dead now, switch died and repair failed...)not moded vid
~50mW 532nm "star cap" style found in the bus. Yeah, lol.
~6mW 635nm diode laser pic 1 pic 2
~250mW 650nm extracted from 20x DVD burner. <- dead vid 1 vid 2
~130mW 650nm extracted from 16X DVD burner. <$15 to make! LPF thread

~100mW 780mn extracted from 52x CD burner. <- dead cremation vid

My Youtube channel

Last edited by Rafa; 11-21-2010 at 03:14 PM.
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Old 11-21-2010, 05:28 PM   #5
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Default Re: Great host found! Richuang RC-7001 (DX $3)

I couldn't resist!


__________________
Lasers:
~100mW 405nm from Erdabyz (L) akshakj <- Died once, working again. vid 1 vid 2(repaired)
~980mW 445nm in Ehgemus RPL style host, thanks to MR. DAGUIN vid
~25mW 532nm (potmoded) from DX (dead now, switch died and repair failed...)not moded vid
~50mW 532nm "star cap" style found in the bus. Yeah, lol.
~6mW 635nm diode laser pic 1 pic 2
~250mW 650nm extracted from 20x DVD burner. <- dead vid 1 vid 2
~130mW 650nm extracted from 16X DVD burner. <$15 to make! LPF thread

~100mW 780mn extracted from 52x CD burner. <- dead cremation vid

My Youtube channel
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Old 05-04-2012, 12:20 AM   #6
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Default Re: Great host found! Richuang RC-7001 (DX $3)

I built this laser two days ago with a DVD LCC; it's performing very nicely! A BIG thanks to the OP.
A question: I measured the current just now with my DMM (I put my DMM in series, replacing the tail-cap, from body to the battery's minus) and it registered 0.70 Amp ! This can't be right, what am I doing wrong?

apropos nothing: I originally had this long long introduction of myself and what I've done in DIY lasers so far prepared for my first post on LPF but I figured it can wait, a first post doesn't need to be "special"
So for now: Hi everybody! I'm Daniel, I like building things myself, I wish I had a lathe (and a place to put it), I always have loads of questions, I am a physicist and I'm building my first PHR laser right now. I have LOCs to spare (naturally) and I WTB some diodes in other colours (635, 445, BR burner's 405; is there anything else under $50 ?). Also eager to hear about other neat solutions for heatsinking an Aixiz module in a host when I don't have metalworking tools readily available.
Attached Thumbnails
Great host found! Richuang RC-7001 (DX )-rc-7001-lcc.jpg  
__________________
([_________________]-----------------------------------------------------------*
405nm 48mW (with 3.8V batt) eBay pen, ??mW PHR-805T in extended C3
532nm ??mW DX "200mW" module in pen host
635nm 6mW O-Like pen
650nm 2.1mW focusable old 90s pointer, 250mW DVD LCC in RC-7001
[all power values are metered]
405, 445, 450, 638, 650 diodes awaiting build
Safety goggles: EP-1A 190-540 & 900-1700nm, EP-11 190-400 & 580-760nm

I have more Black-anodized Mohgasm C6 heatsinks & 3/4" focus adapters than I need. Let me know if you want to trade for a couple.
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Old 05-04-2012, 04:31 AM   #7
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Default Re: Great host found! Richuang RC-7001 (DX $3)

If someone could take a decent picture of the driver itself, I could tell you what type it is.

I'm almost sure it's a boost driver, but I'd like to be positive.

I just realized this is a necro post, too. But, it's not a useless one!
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Last edited by Le Quack; 05-04-2012 at 04:32 AM.
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Old 05-04-2012, 09:48 AM   #8
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Default Re: Great host found! Richuang RC-7001 (DX $3)

sorry, can't take this one apart (it'll almost for sure shear the leads); I ordered another flashlight ($3, whatta-deal for a functional host! ) and I'll take a pic of the driver when it arrives.
But you're right, it'd have to be a boost drive because the flashlight originally runs on one AAA (1.5V) and the threshold voltage for the LED can't be under 2V.
Anyway, I'm still confused; 700mA (which would dump about two Watts over the LCC's Vd) should have blown this diode in a second (as of this time it's still lasing happily )
__________________
([_________________]-----------------------------------------------------------*
405nm 48mW (with 3.8V batt) eBay pen, ??mW PHR-805T in extended C3
532nm ??mW DX "200mW" module in pen host
635nm 6mW O-Like pen
650nm 2.1mW focusable old 90s pointer, 250mW DVD LCC in RC-7001
[all power values are metered]
405, 445, 450, 638, 650 diodes awaiting build
Safety goggles: EP-1A 190-540 & 900-1700nm, EP-11 190-400 & 580-760nm

I have more Black-anodized Mohgasm C6 heatsinks & 3/4" focus adapters than I need. Let me know if you want to trade for a couple.

Last edited by dyeote; 06-09-2012 at 08:41 AM.
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Old 05-31-2012, 12:28 PM   #9
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Default Re: Great host found! Richuang RC-7001 (DX $3)

doh! I just realized the source of my confusion: the driver is boosting the voltage, plus it has its own losses, so obviously the current at the tail-cap (which is what the driver is taking), is much higher than what goes through the diode.

Hooray for learning
__________________
([_________________]-----------------------------------------------------------*
405nm 48mW (with 3.8V batt) eBay pen, ??mW PHR-805T in extended C3
532nm ??mW DX "200mW" module in pen host
635nm 6mW O-Like pen
650nm 2.1mW focusable old 90s pointer, 250mW DVD LCC in RC-7001
[all power values are metered]
405, 445, 450, 638, 650 diodes awaiting build
Safety goggles: EP-1A 190-540 & 900-1700nm, EP-11 190-400 & 580-760nm

I have more Black-anodized Mohgasm C6 heatsinks & 3/4" focus adapters than I need. Let me know if you want to trade for a couple.
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