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I* have been wondering about the number of flashlights that use the 26.5mm drop-in with either LED or incan. Why is nobody making heatsinks and/or finished modules for them? (Moh, I am looking at you. :)) The only problem I can see is that tolerances of hosts may wary a bit and necessitate a...

How does one decide the correct current for a pump diode? I have several pens, two app. 50mW, and now one +120mW green. The 50mW use app. 0.5A the +120mW about 0.75A. I am planning* on making a P/I curve for the 50mW ones and trying to find some optimal point. Does anyone have a guideline for...

I have just finished my new quick and dirty fan cooled handheld. :D The host is from Mohrenberg, a nice spacious one where the side clicky have lots of space underneath. The diode is from Morgan, fan from boscoj, and the driver is a simple linear one from Aixiz set to 400mA. I had to remove...

My browser have recently started using something like 100% of the processor when viewing LPF. It mean an incredible lag. Have there been any changes to the ads within the last 12-24 hours? I am running Firefox on an Ubuntu laptop. ETA: Setting NoScript to ban the Laserglow banner solved the...

I noticed the forum and signed on about a month ago due to the Arctic. Later on I cancelled my order due to delays. I am an electrician and have spend the last 12 years sailing on Danish vessels in world wide trade. Recently the Danish shipping agencies have been cutting costs and hiring...

I came home from my ship last night, to a full mailbox. Among the stuff were an envelope from Hong Kong, it contained a pair of red glasses and a "5W" flashlight. I have not ordered those two items together and have no idea who sent them? Any idea what I can do, is it likely that somebody else...

I have just dismantled* my Fenix PD30, the pill? appear to be solid with holes drilled for wires, so fitting a driver in will not be easy. I am thinking of making a cylinder 14,2mm long and 18,8mm wide with a hole for a 9mm module, or front and business of a 12mm module. It would replace the...

I am not quite sure where to put this. Does anyone know of optics that will let a small flash light give a laser like beam at night? It would have limited practical purpose, but I think it would look cool to have a LED 1xAAA or such that can make a dot at several hundred meters.