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Hi I bought this one: http://www.dealextreme.com/details.dx/sku.7886 Unassembled, the unit works with 3.0v on the marked + / - points on the board. The unit does not work when inside the assembly. I hope someone can spot a missing, cold or incorrect solder joint or path. Of course the unit...

By replying to a spammer, the spammer simply wins. His post keeps arriving at the top of the new posts list. Let's just let that post get buried under NEW more relevant and informative threads until Admin has a chance to remove/close the improper post. SN

Greetings, I do not want to get technical here but simply post a general information post for anyone (new or not) to lasers. Safety is a priority. Viewing a beam or dot from a laser can be as dangerous as looking into one. If you seek to obtain or make a laser, BE SURE to PROTECT your eyes. If...

History channel in the east USA has a nice universe special on TV now SN

Any one enjoy the stargate SG1 series?

Hello, I am new here but have a couple lasers. (scopeguy20 modified green galileo is my current favorite, its solid and feels much better then a penlight plus its power is really great for the price) I would enjoy seeing a picture from someone that has many lasers of many colors and a nice...

looking for a good to great green (duty cycle acceptance of 1 min on to 1 min off acceptable) prefer ability to light a match. if anyone knows of better for less ... great! thanks in advance! SN