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I'm sorta going to do that when i get a bit mroe knowledge of AC electronics. Someone in my school already made a tesla coil. I'm going to use magnetic resonance (i guess that's what you'd call it) to transfer electricity wirelessly as well.... but i wanted to do a simple DC design using a laser...

Power in Watts = Voltage x Current 300mA x 2.5V = .... 700mW to get 700mW using 1.5A i would have to use about 470mV I don't see how it would matter if the wattage is the same whether you use high amps and low volts or high volts and low amps. It's easier and simplier to adjust current than...

i would use IR..... but when I tried the IR beam i got 0V from it even all the way to 700mW (2.5V @ 300mA, potentiometer range from 6mA to 328mA). then again is it not the wattage you need to power the laser? should i decrease the voltage and increase current? I'm not really caring about the...

yep. by chance anyone know if photo-voltaic cells pick up IR?

well.... i dont see anything different. so that's good thanks. this diode: (ebay laser) 1000mW 9mm LASER DIODE 808nmT0-5 GREEN BLUE LASERS YAG i ran 2.5V @ 29mA when i was lookin into it. It wasnt bright at all. i've turned it up to 200mA (not going higher than that). the diode got hot and a...

So yeah I was lookin around trying to figure out why I only saw a red dot on my laser diode. it's rated at 1W but for my project i only needed 300mw. so um.... i sorta looked into it. I didnt realize that there might be IR light coming outta it. I literally JUST saw this site and read not to...