MikeEvans
Newly Enlightened
$80 in parts just for a bit of fun, yay!
http://www.neatness.com/dimmer.shtml
http://www.neatness.com/dimmer.shtml
My first Luxeon project
- Thread starter MikeEvans
- Start date
tvodrd
*Flashaholic* ,
Welcome Mike!
Kinda cool. I really enjoy what some of you electronics experimenters come up with. (But, your heatsinking.... /ubbthreads/images/graemlins/grin.gif )
Larry
Kinda cool. I really enjoy what some of you electronics experimenters come up with. (But, your heatsinking.... /ubbthreads/images/graemlins/grin.gif )
Larry
Rothrandir
Flashaholic
holy dang!!!!!!!!!!
if there is one thing in this world i cannot tolerate..it's poor heatsnking! /ubbthreads/images/graemlins/eek.gif /ubbthreads/images/graemlins/twakfl.gif
very nice electronics though! (but for bobs sake work on that heatsinking! /ubbthreads/images/graemlins/eek.gif)
did i say awesome mod btw?! /ubbthreads/images/graemlins/drool.gif /ubbthreads/images/graemlins/thumbsup.gif
if there is one thing in this world i cannot tolerate..it's poor heatsnking! /ubbthreads/images/graemlins/eek.gif /ubbthreads/images/graemlins/twakfl.gif
very nice electronics though! (but for bobs sake work on that heatsinking! /ubbthreads/images/graemlins/eek.gif)
did i say awesome mod btw?! /ubbthreads/images/graemlins/drool.gif /ubbthreads/images/graemlins/thumbsup.gif
jtice
Flashaholic
Mike,
Welcome to the Forum.
Very nice mod. Bet that makes some great light.
Nice electronics also. /ubbthreads/images/graemlins/thumbsup.gif
Yep,,, the heatsinking needs some work though /ubbthreads/images/graemlins/wink.gif
Welcome to the Forum.
Very nice mod. Bet that makes some great light.
Nice electronics also. /ubbthreads/images/graemlins/thumbsup.gif
Yep,,, the heatsinking needs some work though /ubbthreads/images/graemlins/wink.gif
INRETECH
Flashlight Enthusiast
That is a very good design using the Triangle wave osc againest the triangle wave osc ref for variable PWM
Very smart using the LM317 in CCM !!
You might want to look into using a small uCPU next time to make it smaller, something like the Cygnal 8051F300
Very smart using the LM317 in CCM !!
You might want to look into using a small uCPU next time to make it smaller, something like the Cygnal 8051F300
koala
Flashlight Enthusiast
I think he's planning to float it around the lake or something.. /ubbthreads/images/graemlins/grin.gif. The LM317 might not need heavy heatsinking but I really don't know if the black goo under the LSes does. Seriously though good use of logics.
MikeEvans
Newly Enlightened
Black stuff is silicon rubber, a really thin layer gluing the LEDs to the holder. Do you thnk I should add a fan too? /ubbthreads/images/graemlins/smile.gif
I work at a hi-end home stereo repair shop, audio work is my background. I put together the circuit during few slow days. No shortage of hot stuff here, Class A amps that sit idle and draw 500 watts, that's insane.
Mike
I work at a hi-end home stereo repair shop, audio work is my background. I put together the circuit during few slow days. No shortage of hot stuff here, Class A amps that sit idle and draw 500 watts, that's insane.
Mike
koala
Flashlight Enthusiast
Mike, does the silicon rubber a has good thermal spec? I would put a thin layer of thermal paste they stick quite well on flat surfaces.
Vince.
Vince.
