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This is my first post here after a very long time. I recently bought what was supposed to be an Osram PLT5-520 diode from techhood https://www.ebay.com/itm/OSRAM-PLT5-520-50mW-Green-Laser-Diode-TO18-5-6mm-New/143292564817. I used this driver set to about 100mA...

check this new laser: 3-in-1 Red/Green/Blue Heads Laser Pen Pointer w/ 5 Pattern Cs/Safety Lock/Keys (2 x 16340) - Free Shipping - DealExtreme sold with 3 heads: 1W blue, 30mW green and 100mW red, 5 star caps and 2 keys @ about $170! sounds like a deal... what do you think?

can you recommend me some cool 18650 light from DX (to add to my collection / suitable for future XM-L mod)? I've got some $20 to spend some of my favourites: http://www.dealextreme.com/p/ultrafire-wf-...-2-cr123a-20331 just 4 fun (and I'll buy some p60 dropin's later)...

Well, everybody has seen a 2-motor spirograph. A lot of people built a 3-motor spiro. Few people built 4-motor one. I think I remember one 5-motor spirograph BUT Nobody has done THIS :cool: scroll down . . . . . . . . . . . . . Introducing... . . . . . . . . THE WORLD'S F1RST 6-MOTOR...

what's the best host for PT-54? I'm getting one PT-54 and I'm trying to get the best beam profile possible. I've seen yob's light, but I don't feel like spending $70 just for a host for now, my chioce is UF C2 kit from DX - will this give a good beam?

I found a cheap source of LM1117 ic's, the low-dropout voltage/current regulators they would be like $2 for 5 pieces or $3.50 for 10 pieces. shipping to Europe: $2.50, worldwide shipping: $3. payment via paypal, these prices are without PP fees (3.4% + $0.30) (example order: someone from USA...

http://www.wickedlasers.com/lasers/Sith_Series-112-63.html?utm_source=website&utm_medium=banner&utm_campaign=sith-may4 ... :(

$149.60 - 1000mW 445nm Blue Laser Pen Pointer with Caps + Batteries Set (2 x 16340) - Blue Lasers $137.20 - 500mW 445nm Blue Laser Pen Pointer with Caps + Batteries Set (2 x 16340) - Blue Lasers :anyone: wants to order?

I'm buying more flashlights than lasers :wtf: so this time I wanted something more throwy. I found this light $14.80 - SIPIK CK361 Cree Q3-WC 3-Mode 180-Lumen White LED Flashlight with Strap (1*18650) - 18650 Cree Flashlights and ordered it. SHIPPING ordered on 4/2/2011, shipped on 4/7/2011 and...

after buying a P7 light, I wanted something brighter and more throwy. When DX introduced lights with the Cree XM-L leds I went ahead and bought this one: $32.70 - Eastward YJ J06 CREE XM-L T6 3-Mode 900-Lumen White LED Flashlight with Strap (1*18650) - 18650 Cree Flashlights so here's my...

got iPhone 4 and some bluray laz0rs? you gotta have one of these :D $2.20 - Glow-in-the-Dark Protective Silicone Case for iPhone 4 - Translucent Green - Cases & Protectors $2.20 - Glow-in-the-Dark Protective Silicone Case for iPhone 4 - Translucent White - Cases & Protectors $2.20 -...

I hope this is the best section for this :) so here's the problem: I need to detect some small objects (about 25cm^2, don't know the shape) which are heated up to <45°C and (due to temperature) they should emit light at about 3μm (and higher). the first idea was to use some PIR motion detector...

I usually don't have hundreds of dollars to spend on lasers but (because of that) I decided to get some kits as gifts for myself :D first up: PHR @ 105mA in DildaV2 kit from Odicforce lasers. Nice little burner with unusual beam color that fits in pocket and still isn't too dangerous for eyes...

got this little neat spirograph for €13 from a friend. It has manual, sound active and automatic modes but there was still one thing missing: some good laser. The original LD was just 5mW, so I decided to put LPC-815 inside :eg: I also ordered 30mW module from DX so I'll put that in when it...

so I'm building my 445nm but I have problem with microboost. I soldered the 2 jumpers for highest range (540-1000mA), checked every connection with a magnifying lens and everything seemed ok but when I connected it on my testload and 18650, the current was first around 340mA and dropped to about...

I'm building my first 445nm laser and I've got these goggles: Laser Glasses - UV to Green Lasers Protection 190-548nm :: Laser Safety :: Dragon Lasers and the question: what is the safe power of 445nm laser with these goggles? is 1000mA/1W safe? thx

I got this from my friend, he said it was an laser show controller but he didn't know anything more about it it's called Scarabeus Plus and it must be more than 20 years old - there are lots of 74HCxxx and simillar ICs and 2 EPROMs google didn't find anything useful, so has anyone some info...

hi, I'm currently modding my spiro and I want to add PWM to the laser. I want to use this schematic (with other transistor) I need to blank green module + LM317 voltage regulator (set to 3.3V). the laser has it's own driver (LM317 just lowers the voltage) is it possible (safe) to connect it...

till now, all my spiros were just 2 motors glued on cardboard wich could broke easily. TILL NOW. I made this spiro in about 1.5 hours :cool: for a school party it's 2 motor spiro with DX 30mW module with no blanking, powered from 12V PSU. I already had the Al plate with 2 attached motors with...

for those who don't own a fog machine or don't have enough money for one... Magican Hazecan ,,Nebel aus der Dose'': Amazon.de: Musikinstrumente (maybe it can be found even cheaper)