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music64, yes, yo should wire the AC wires in parallel (join neutral with neutral and live with live). Beware You cannot join the wires going to the LEDs!!! tenthirty, drilling and tapping? ouch... I thought on using thermal glue...

So three NW and two CW... that would be an interesting pattern also! Though I'm under the impression the XM-L CW adds little blue to the already present on the NW, it mostly widens the blue to 425nm from NW's 450nm. On the rest of the spectrum NWs put out much more relative power than the...

Here's the sketch with a 60mm wide Heatsink. Not so nice pattern, XP-G's would be about 2cm horizontally from each other, whereas with the 100mm one they would be 4cm apart.

I found a source for the heatsinks. The same I already have a 500mm piece is 42€ shipped for 1m, so I will have a spare 500mm heatsink. Another option would be a 100mm wide one, 1 meter is 65€. Those would allow for a nicer, more evenly spaced LED pattern: This time everything is...

This way I think it will be cheaper/faster to build, though you're right regarding "power spread". That's what I wanted to know... I'll check for available heatsinks, though narrower, longer ones use to be cheaper... I'm with you that the wider and more spaced the LEDs are, the better (both...

I know, I was looking for sources to follow the "asian" route and make some numbers to compare vs buying "premium" from the same shop... Truth is ordering everything but the heatsinks from the same shop would lower the price. Right now this is what came out after some head scratching and tons...

Hola!! :) Will check local prices on heat sinks... is this what acts as PCBs: 20W 2000lm 5500~6000K 20-LED White Light Base Plate - Silver + Black? though those already include the LEDs... thanks!

Hi! I'm also on making some DIY LED lamps... have read a lot from this forum, but I posted mainly to others, thanks PetFlora for pointing here (I didn't noticed this post)! I haven't gone as deep as you have documented SDS, but just looking at the spec graphs and using common sense was going...