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i had not considered that. i suppose a small circuit with a cadmium sulfide photoresistor (range of 400 - 800nm) and filter would be best suited. if the circuit had a 100k potentiometer, it could be calibrated in conjunction with a meter in series. thanks for the correction , i tend to get...

well crazy jay , my "spare LPM" is nothing more than a led attached to a multimeter . as demonstrated by Firemylaser here http://laserpointerforums.com/f48/green-laser-makes-leds-glow-33468.html "When I built the BR I also built kindof a powermeter, the purpose was to document if the BR would...

thank you guy's (and gal's ?) it makes so much sense now, i think i will build one myself. thanks again, stealthop

i read the definition in 'board acronyms' i know its a driver but which one and why is it so popular? please direct me to where its located . :thinking:

what did you use for electro static protection ?

a schottky diode (also known as hot carrier diode) is a semiconductor diode with a low forward voltage drop and a very fast switching action.

nice , but whats that black box with the knobs and lights ?

wow you guys , it was a facetious statement. but its good evidence of the insane profit margin that the middle man makes . i have sourced through some Chinese distributors for penny lasers but no luck yet. it would help if i could read Chinese tho. i wonder if i could get a cheap translator...

i would be willing to send him my spare laser power meter to make him prove it . but it's too late for that.... and from what he said about the build sounds to me like he built a telescope :crackup:and all he had to do was go get some lousy crystals from outer space :D :drool: GOOD RIDDANCE...

i find this whole business rather entertaining actually , all tho at the same time i would like to see him succeed at his goals /whimsical tom foolery. however you choose to put it. imagine what would happen if he did manage to assemble a working lightsaber. and then again maybe all of our...

HAHAMUAHHAHA , he does have little girlish hands rofllamo :D i can tell from his posts he hasn't read the faq :tsk:

well i just so happen to have a book on 'masers and lasers' <---actual title i will read through and post any useful information here for mfo and everyone for that matter. expect delay , as i am house-sitting for next week, but i will get to it. well HIMNL9, its a good thing you listen to your...

in order to build a lightsaber , a young jedi must embark on a perilous journey to the far reaches of space. alone on this quest, the final test to determine one's eligibility as jedi, the often deadly encounters occur in vast multitudes. while dealing with these impromptu hazards, the task at...

pretty cool place , surprised i hadn't heard of this until now. think im gonna give those folks some money soon lol thanks for the info :D

you got some really nice stuff there , good work ! thanks for sharing

405nm @ 5mW for one red cent :thinking: i would of ordered in bulk lol thats 100 laser pens for a dollar!!!! imagine if you decided to splurge , say , 10 bucks .... you could turn them over for a very reasonable price of $10 a piece ... the ten bucks for shipping or whatever it would be...

i look foward to meeting all of you, this site is an epic wealth of information. good job , i like lasers too :D :lasergun: